{"api_version":"1","generated_at":"2026-10-22T12:44:41+00:00","cve":"CVE-2026-90807","urls":{"html":"https://cve.report/CVE-2026-90807","api":"https://cve.report/api/cve/CVE-2026-90807.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90807","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90807"},"summary":{"title":"nanocoai NanoClaw Attachment agent-route.ts forwardAttachedFiles link following","description":"A vulnerability was found in nanocoai NanoClaw up to 2.1.17. This issue affects the function forwardAttachedFiles of the file src/modules/agent-to-agent/agent-route.ts of the component Attachment Handler. The manipulation results in link following. The attack may be performed from remote. The exploit has been made public and could be used. The patch is identified as 3f9ed607b7e7a4872747295f75286f1c377d7c33. It is advisable to implement a patch to correct this issue.","state":"PUBLISHED","assigner":"VulDB","published_at":"2026-09-14 18:20:28","updated_at":"2026-09-16 17:18:17"},"problem_types":["CWE-59","CWE-59 Link Following"],"metrics":[{"version":"4.0","source":"cna@vuldb.com","type":"Secondary","score":"2.1","severity":"LOW","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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":2.1,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"LOW","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":"5.3","severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","data":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"}},{"version":"3.1","source":"cna@vuldb.com","type":"Secondary","score":"6.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","baseScore":6.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"6.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","data":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.1"}},{"version":"3.0","source":"CNA","type":"DECLARED","score":"6.3","severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","data":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.0"}},{"version":"2.0","source":"cna@vuldb.com","type":"Secondary","score":"6.5","severity":"","vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","baseScore":6.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"}},{"version":"2.0","source":"CNA","type":"DECLARED","score":"6.5","severity":"","vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C","data":{"baseScore":6.5,"vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C","version":"2.0"}}],"references":[{"url":"https://github.com/nanocoai/nanoclaw/issues/2828","name":"https://github.com/nanocoai/nanoclaw/issues/2828","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/nanocoai/nanoclaw/commit/3f9ed607b7e7a4872747295f75286f1c377d7c33","name":"https://github.com/nanocoai/nanoclaw/commit/3f9ed607b7e7a4872747295f75286f1c377d7c33","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/submit/922841","name":"https://vuldb.com/submit/922841","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/vuln/403309","name":"https://vuldb.com/vuln/403309","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/nanocoai/nanoclaw/","name":"https://github.com/nanocoai/nanoclaw/","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/vuln/403309/cti","name":"https://vuldb.com/vuln/403309/cti","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/cve/CVE-2026-90807","name":"https://vuldb.com/cve/CVE-2026-90807","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90807","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90807","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.0","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.1","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.2","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.3","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.4","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.5","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.6","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.7","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.8","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.9","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.10","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.11","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.12","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.13","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.14","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.15","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.16","platforms":[]},{"source":"CNA","vendor":"nanocoai","product":"NanoClaw","version":"affected 2.1.17","platforms":[]}],"timeline":[{"source":"CNA","time":"2026-09-13T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"source":"CNA","time":"2026-09-13T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"source":"CNA","time":"2026-09-13T18:05:39.000Z","lang":"en","value":"VulDB entry last update"}],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Eric-a (VulDB User)","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"90807","cve":"CVE-2026-90807","epss":"0.002880000","percentile":"0.214590000","score_date":"2026-09-16","updated_at":"2026-09-17 00:07:17"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-90807","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-09-16T15:58:17.754435Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-09-16T15:59:52.020Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"cpes":["cpe:2.3:a:nanocoai:nanoclaw:*:*:*:*:*:*:*:*"],"modules":["Attachment Handler"],"product":"NanoClaw","vendor":"nanocoai","versions":[{"status":"affected","version":"2.1.0"},{"status":"affected","version":"2.1.1"},{"status":"affected","version":"2.1.2"},{"status":"affected","version":"2.1.3"},{"status":"affected","version":"2.1.4"},{"status":"affected","version":"2.1.5"},{"status":"affected","version":"2.1.6"},{"status":"affected","version":"2.1.7"},{"status":"affected","version":"2.1.8"},{"status":"affected","version":"2.1.9"},{"status":"affected","version":"2.1.10"},{"status":"affected","version":"2.1.11"},{"status":"affected","version":"2.1.12"},{"status":"affected","version":"2.1.13"},{"status":"affected","version":"2.1.14"},{"status":"affected","version":"2.1.15"},{"status":"affected","version":"2.1.16"},{"status":"affected","version":"2.1.17"}]}],"credits":[{"lang":"en","type":"reporter","value":"Eric-a (VulDB User)"}],"descriptions":[{"lang":"en","value":"A vulnerability was found in nanocoai NanoClaw up to 2.1.17. This issue affects the function forwardAttachedFiles of the file src/modules/agent-to-agent/agent-route.ts of the component Attachment Handler. The manipulation results in link following. The attack may be performed from remote. The exploit has been made public and could be used. The patch is identified as 3f9ed607b7e7a4872747295f75286f1c377d7c33. It is advisable to implement a patch to correct this issue."}],"metrics":[{"cvssV4_0":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"}},{"cvssV3_1":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.1"}},{"cvssV3_0":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.0"}},{"cvssV2_0":{"baseScore":6.5,"vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C","version":"2.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-59","description":"Link Following","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-14T17:45:14.424Z","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB"},"references":[{"name":"VDB-403309 | nanocoai NanoClaw Attachment agent-route.ts forwardAttachedFiles link following","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/403309"},{"name":"VDB-403309 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/403309/cti"},{"name":"CVE-2026-90807 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-90807"},{"name":"Submit #922841 | nanocoai nanoclaw <= 2.1.17 Improper Link Resolution Before File Access / Link Following (CWE-59)","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/922841"},{"tags":["exploit","issue-tracking"],"url":"https://github.com/nanocoai/nanoclaw/issues/2828"},{"tags":["patch"],"url":"https://github.com/nanocoai/nanoclaw/commit/3f9ed607b7e7a4872747295f75286f1c377d7c33"},{"tags":["product"],"url":"https://github.com/nanocoai/nanoclaw/"}],"tags":["x_open-source"],"timeline":[{"lang":"en","time":"2026-09-13T00:00:00.000Z","value":"Advisory disclosed"},{"lang":"en","time":"2026-09-13T02:00:00.000Z","value":"VulDB entry created"},{"lang":"en","time":"2026-09-13T18:05:39.000Z","value":"VulDB entry last update"}],"title":"nanocoai NanoClaw Attachment agent-route.ts forwardAttachedFiles link following","x_generator":["VulDB PVTS v202609"]}},"cveMetadata":{"assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","assignerShortName":"VulDB","cveId":"CVE-2026-90807","datePublished":"2026-09-14T17:45:14.424Z","dateReserved":"2026-09-13T16:00:34.907Z","dateUpdated":"2026-09-16T15:59:52.020Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-14 18:20:28","lastModifiedDate":"2026-09-16 17:18:17","problem_types":["CWE-59","CWE-59 Link Following"],"metrics":{"cvssMetricV40":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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":2.1,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"LOW","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:L/PR:L/UI:N/S:U/C:L/I:L/A:L","baseScore":6.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":2.8,"impactScore":3.4}],"cvssMetricV2":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","baseScore":6.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-09-16T15:58:17.754435Z","id":"CVE-2026-90807","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90807","Ordinal":"1","Title":"nanocoai NanoClaw Attachment agent-route.ts forwardAttachedFiles","CVE":"CVE-2026-90807","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90807","Ordinal":"1","NoteData":"A vulnerability was found in nanocoai NanoClaw up to 2.1.17. This issue affects the function forwardAttachedFiles of the file src/modules/agent-to-agent/agent-route.ts of the component Attachment Handler. The manipulation results in link following. The attack may be performed from remote. The exploit has been made public and could be used. The patch is identified as 3f9ed607b7e7a4872747295f75286f1c377d7c33. It is advisable to implement a patch to correct this issue.","Type":"Description","Title":"nanocoai NanoClaw Attachment agent-route.ts forwardAttachedFiles"}]}}}