{"api_version":"1","generated_at":"2026-04-23T00:40:59+00:00","cve":"CVE-2026-1101","urls":{"html":"https://cve.report/CVE-2026-1101","api":"https://cve.report/api/cve/CVE-2026-1101.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-1101","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-1101"},"summary":{"title":"Improper Validation of Specified Quantity in Input in GitLab","description":"GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to cause denial of service to the GitLab instance due to improper input validation in GraphQL queries.","state":"PUBLISHED","assigner":"GitLab","published_at":"2026-04-08 23:16:57","updated_at":"2026-04-14 14:05:39"},"problem_types":["CWE-1284","CWE-1284 CWE-1284: Improper Validation of Specified Quantity in Input"],"metrics":[{"version":"3.1","source":"cve@gitlab.com","type":"Secondary","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/586488","name":"https://gitlab.com/gitlab-org/gitlab/-/work_items/586488","refsource":"cve@gitlab.com","tags":["Broken Link"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/","name":"https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/","refsource":"cve@gitlab.com","tags":["Release Notes","Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://hackerone.com/reports/3460228","name":"https://hackerone.com/reports/3460228","refsource":"cve@gitlab.com","tags":["Permissions Required"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-1101","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1101","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"GitLab","product":"GitLab","version":"affected 18.2 18.8.9 semver","platforms":[]},{"source":"CNA","vendor":"GitLab","product":"GitLab","version":"affected 18.9 18.9.5 semver","platforms":[]},{"source":"CNA","vendor":"GitLab","product":"GitLab","version":"affected 18.10 18.10.3 semver","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"Upgrade to versions 18.8.9, 18.9.5, 18.10.3 or above.","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Thanks [sim4n6](https://hackerone.com/sim4n6) for reporting this vulnerability through our HackerOne bug bounty program","lang":"en"}],"nvd_cpes":[{"cve_year":"2026","cve_id":"1101","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"gitlab","cpe5":"gitlab","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"enterprise","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"1101","cve":"CVE-2026-1101","epss":"0.000220000","percentile":"0.059000000","score_date":"2026-04-15","updated_at":"2026-04-16 00:13:57"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-1101","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-04-09T15:40:51.074249Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-04-09T15:41:03.766Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","product":"GitLab","repo":"git://git@gitlab.com:gitlab-org/gitlab.git","vendor":"GitLab","versions":[{"lessThan":"18.8.9","status":"affected","version":"18.2","versionType":"semver"},{"lessThan":"18.9.5","status":"affected","version":"18.9","versionType":"semver"},{"lessThan":"18.10.3","status":"affected","version":"18.10","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Thanks [sim4n6](https://hackerone.com/sim4n6) for reporting this vulnerability through our HackerOne bug bounty program"}],"descriptions":[{"lang":"en","value":"GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to cause denial of service to the GitLab instance due to improper input validation in GraphQL queries."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1284","description":"CWE-1284: Improper Validation of Specified Quantity in Input","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-04-08T22:26:07.834Z","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","shortName":"GitLab"},"references":[{"name":"HackerOne Bug Bounty Report #3460228","tags":["technical-description","exploit","permissions-required"],"url":"https://hackerone.com/reports/3460228"},{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/586488"},{"url":"https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/"}],"solutions":[{"lang":"en","value":"Upgrade to versions 18.8.9, 18.9.5, 18.10.3 or above."}],"title":"Improper Validation of Specified Quantity in Input in GitLab"}},"cveMetadata":{"assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","assignerShortName":"GitLab","cveId":"CVE-2026-1101","datePublished":"2026-04-08T22:26:07.834Z","dateReserved":"2026-01-16T22:33:15.858Z","dateUpdated":"2026-04-09T15:41:03.766Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-08 23:16:57","lastModifiedDate":"2026-04-14 14:05:39","problem_types":["CWE-1284","CWE-1284 CWE-1284: Improper Validation of Specified Quantity in Input"],"metrics":{"cvssMetricV31":[{"source":"cve@gitlab.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"18.2","versionEndExcluding":"18.8.9","matchCriteriaId":"DE6B64C1-04D6-4E07-A730-72DD62AB9443"},{"vulnerable":true,"criteria":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"18.9.0","versionEndExcluding":"18.9.5","matchCriteriaId":"3BA6A89D-D2C1-45B9-A8E8-64256816D880"},{"vulnerable":true,"criteria":"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"18.10.0","versionEndExcluding":"18.10.3","matchCriteriaId":"BB2F3665-2451-4A4D-8538-93F540975F0E"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"1101","Ordinal":"1","Title":"Improper Validation of Specified Quantity in Input in GitLab","CVE":"CVE-2026-1101","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"1101","Ordinal":"1","NoteData":"GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to cause denial of service to the GitLab instance due to improper input validation in GraphQL queries.","Type":"Description","Title":"Improper Validation of Specified Quantity in Input in GitLab"}]}}}