{"api_version":"1","generated_at":"2026-08-22T04:27:10+00:00","cve":"CVE-2026-75774","urls":{"html":"https://cve.report/CVE-2026-75774","api":"https://cve.report/api/cve/CVE-2026-75774.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-75774","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-75774"},"summary":{"title":"karakeep-app karakeep OAuth Sign-In auth.ts improper authentication","description":"A vulnerability was determined in karakeep-app karakeep up to 0.32.0. The impacted element is an unknown function of the file apps/web/server/auth.ts of the component OAuth Sign-In. This manipulation causes improper authentication. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is regarded as difficult. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.","state":"PUBLISHED","assigner":"VulDB","published_at":"2026-08-18 12:19:32","updated_at":"2026-08-20 12:48:31"},"problem_types":["CWE-287","CWE-287 Improper Authentication"],"metrics":[{"version":"4.0","source":"cna@vuldb.com","type":"Secondary","score":"2.9","severity":"LOW","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","data":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":2.9,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}},{"version":"4.0","source":"CNA","type":"DECLARED","score":"6.3","severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","data":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0"}},{"version":"3.1","source":"cna@vuldb.com","type":"Secondary","score":"3.7","severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","baseScore":3.7,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"3.7","severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","data":{"baseScore":3.7,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","version":"3.1"}},{"version":"3.0","source":"CNA","type":"DECLARED","score":"3.7","severity":"LOW","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","data":{"baseScore":3.7,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","version":"3.0"}},{"version":"2.0","source":"cna@vuldb.com","type":"Secondary","score":"2.6","severity":"","vector":"AV:N/AC:H/Au:N/C:N/I:P/A:N","data":{"version":"2.0","vectorString":"AV:N/AC:H/Au:N/C:N/I:P/A:N","baseScore":2.6,"accessVector":"NETWORK","accessComplexity":"HIGH","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"}},{"version":"2.0","source":"CNA","type":"DECLARED","score":"2.6","severity":"","vector":"AV:N/AC:H/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:C","data":{"baseScore":2.6,"vectorString":"AV:N/AC:H/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:C","version":"2.0"}}],"references":[{"url":"https://vuldb.com/vuln/391520","name":"https://vuldb.com/vuln/391520","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/karakeep-app/karakeep/","name":"https://github.com/karakeep-app/karakeep/","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/karakeep-app/karakeep/issues/2920","name":"https://github.com/karakeep-app/karakeep/issues/2920","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/cve/CVE-2026-75774","name":"https://vuldb.com/cve/CVE-2026-75774","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/submit/877732","name":"https://vuldb.com/submit/877732","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/vuln/391520/cti","name":"https://vuldb.com/vuln/391520/cti","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-75774","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-75774","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.1","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.2","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.3","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.4","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.5","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.6","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.7","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.8","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.9","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.10","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.11","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.12","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.13","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.14","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.15","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.16","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.17","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.18","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.19","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.20","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.21","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.22","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.23","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.24","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.25","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.26","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.27","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.28","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.29","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.30","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.31","platforms":[]},{"source":"CNA","vendor":"karakeep-app","product":"karakeep","version":"affected 0.32.0","platforms":[]}],"timeline":[{"source":"CNA","time":"2026-08-18T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"source":"CNA","time":"2026-08-18T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"source":"CNA","time":"2026-08-18T06:35:44.000Z","lang":"en","value":"VulDB entry last update"}],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"ZAST.AI (VulDB User)","lang":"en"},{"source":"CNA","value":"VulDB CNA Team","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"75774","cve":"CVE-2026-75774","epss":"0.004650000","percentile":"0.386100000","score_date":"2026-08-20","updated_at":"2026-08-21 00:13:52"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-75774","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-08-18T13:55:10.312544Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-08-18T13:59:32.590Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"cpes":["cpe:2.3:a:karakeep-app:karakeep:*:*:*:*:*:*:*:*"],"modules":["OAuth Sign-In"],"product":"karakeep","vendor":"karakeep-app","versions":[{"status":"affected","version":"0.1"},{"status":"affected","version":"0.2"},{"status":"affected","version":"0.3"},{"status":"affected","version":"0.4"},{"status":"affected","version":"0.5"},{"status":"affected","version":"0.6"},{"status":"affected","version":"0.7"},{"status":"affected","version":"0.8"},{"status":"affected","version":"0.9"},{"status":"affected","version":"0.10"},{"status":"affected","version":"0.11"},{"status":"affected","version":"0.12"},{"status":"affected","version":"0.13"},{"status":"affected","version":"0.14"},{"status":"affected","version":"0.15"},{"status":"affected","version":"0.16"},{"status":"affected","version":"0.17"},{"status":"affected","version":"0.18"},{"status":"affected","version":"0.19"},{"status":"affected","version":"0.20"},{"status":"affected","version":"0.21"},{"status":"affected","version":"0.22"},{"status":"affected","version":"0.23"},{"status":"affected","version":"0.24"},{"status":"affected","version":"0.25"},{"status":"affected","version":"0.26"},{"status":"affected","version":"0.27"},{"status":"affected","version":"0.28"},{"status":"affected","version":"0.29"},{"status":"affected","version":"0.30"},{"status":"affected","version":"0.31"},{"status":"affected","version":"0.32.0"}]}],"credits":[{"lang":"en","type":"reporter","value":"ZAST.AI (VulDB User)"},{"lang":"en","type":"coordinator","value":"VulDB CNA Team"}],"descriptions":[{"lang":"en","value":"A vulnerability was determined in karakeep-app karakeep up to 0.32.0. The impacted element is an unknown function of the file apps/web/server/auth.ts of the component OAuth Sign-In. This manipulation causes improper authentication. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is regarded as difficult. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet."}],"metrics":[{"cvssV4_0":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0"}},{"cvssV3_1":{"baseScore":3.7,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","version":"3.1"}},{"cvssV3_0":{"baseScore":3.7,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","version":"3.0"}},{"cvssV2_0":{"baseScore":2.6,"vectorString":"AV:N/AC:H/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:C","version":"2.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","description":"Improper Authentication","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-18T11:15:09.946Z","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB"},"references":[{"name":"VDB-391520 | karakeep-app karakeep OAuth Sign-In auth.ts improper authentication","tags":["vdb-entry"],"url":"https://vuldb.com/vuln/391520"},{"name":"VDB-391520 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/391520/cti"},{"name":"CVE-2026-75774 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-75774"},{"name":"Submit #877732 | karakeep-app karakeep  >= 0.26.0, <= 0.32.0 Improper Authentication","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/877732"},{"tags":["exploit","issue-tracking"],"url":"https://github.com/karakeep-app/karakeep/issues/2920"},{"tags":["product"],"url":"https://github.com/karakeep-app/karakeep/"}],"timeline":[{"lang":"en","time":"2026-08-18T00:00:00.000Z","value":"Advisory disclosed"},{"lang":"en","time":"2026-08-18T02:00:00.000Z","value":"VulDB entry created"},{"lang":"en","time":"2026-08-18T06:35:44.000Z","value":"VulDB entry last update"}],"title":"karakeep-app karakeep OAuth Sign-In auth.ts improper authentication","x_generator":["VulDB PVTS v202608"]}},"cveMetadata":{"assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","assignerShortName":"VulDB","cveId":"CVE-2026-75774","datePublished":"2026-08-18T11:15:09.946Z","dateReserved":"2026-08-18T04:30:33.990Z","dateUpdated":"2026-08-18T13:59:32.590Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-18 12:19:32","lastModifiedDate":"2026-08-20 12:48:31","problem_types":["CWE-287","CWE-287 Improper Authentication"],"metrics":{"cvssMetricV40":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":2.9,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","baseScore":3.7,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.2,"impactScore":1.4}],"cvssMetricV2":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:H/Au:N/C:N/I:P/A:N","baseScore":2.6,"accessVector":"NETWORK","accessComplexity":"HIGH","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"LOW","exploitabilityScore":4.9,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-18T13:55:10.312544Z","id":"CVE-2026-75774","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"75774","Ordinal":"1","Title":"karakeep-app karakeep OAuth Sign-In auth.ts improper authenticat","CVE":"CVE-2026-75774","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"75774","Ordinal":"1","NoteData":"A vulnerability was determined in karakeep-app karakeep up to 0.32.0. The impacted element is an unknown function of the file apps/web/server/auth.ts of the component OAuth Sign-In. This manipulation causes improper authentication. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is regarded as difficult. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.","Type":"Description","Title":"karakeep-app karakeep OAuth Sign-In auth.ts improper authenticat"}]}}}