CVE-2026-4868

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4868", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2026-03-25T20:33:35.149Z", "datePublished": "2026-05-27T17:55:23.935Z", "dateUpdated": "2026-05-28T03:55:58.116Z"}, "containers": {"cna": {"title": "Authorization Bypass Through User-Controlled Key in GitLab", "descriptions": [{"lang": "en", "value": "GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that, under certain conditions, could have allowed an authenticated user to cause specific Duo AI workflows to run under another user's identity due to improper user identity resolution when triggering Duo AI workflow runners."}], "affected": [{"vendor": "GitLab", "product": "GitLab", "repo": "git://git@gitlab.com:gitlab-org/gitlab.git", "cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "versions": [{"version": "18.8", "status": "affected", "lessThan": "18.10.7", "versionType": "semver"}, {"version": "18.11", "status": "affected", "lessThan": "18.11.4", "versionType": "semver"}, {"version": "19.0", "status": "affected", "lessThan": "19.0.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "cweId": "CWE-639", "type": "CWE"}]}], "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/594809"}, {"url": "https://hackerone.com/reports/3619872", "name": "HackerOne Bug Bounty Report #3619872", "tags": ["technical-description", "exploit", "permissions-required"]}, {"url": "https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH"}}], "solutions": [{"lang": "en", "value": "Upgrade to versions 18.10.7, 18.11.4, 19.0.1 or above."}], "credits": [{"lang": "en", "value": "Thanks [ahacker1](https://hackerone.com/ahacker1) for reporting this vulnerability through our HackerOne bug bounty program", "type": "finder"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-05-27T17:55:23.935Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-27T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-4868"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-28T03:55:58.116Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-4868", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-05-27T18:57:59.712723Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-27T18:58:30.421Z"}}], "cna": {"title": "Authorization Bypass Through User-Controlled Key in GitLab", "credits": [{"lang": "en", "type": "finder", "value": "Thanks [ahacker1](https://hackerone.com/ahacker1) for reporting this vulnerability through our HackerOne bug bounty program"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "repo": "git://git@gitlab.com:gitlab-org/gitlab.git", "vendor": "GitLab", "product": "GitLab", "versions": [{"status": "affected", "version": "18.8", "lessThan": "18.10.7", "versionType": "semver"}, {"status": "affected", "version": "18.11", "lessThan": "18.11.4", "versionType": "semver"}, {"status": "affected", "version": "19.0", "lessThan": "19.0.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Upgrade to versions 18.10.7, 18.11.4, 19.0.1 or above."}], "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/594809"}, {"url": "https://hackerone.com/reports/3619872", "name": "HackerOne Bug Bounty Report #3619872", "tags": ["technical-description", "exploit", "permissions-required"]}, {"url": "https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/"}], "descriptions": [{"lang": "en", "value": "GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that, under certain conditions, could have allowed an authenticated user to cause specific Duo AI workflows to run under another user's identity due to improper user identity resolution when triggering Duo AI workflow runners."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-639", "description": "CWE-639: Authorization Bypass Through User-Controlled Key"}]}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-05-27T17:55:23.935Z"}}}, "cveMetadata": {"cveId": "CVE-2026-4868", "state": "PUBLISHED", "dateUpdated": "2026-05-28T03:55:58.116Z", "dateReserved": "2026-03-25T20:33:35.149Z", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "datePublished": "2026-05-27T17:55:23.935Z", "assignerShortName": "GitLab"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "product": "GitLab", "repo": "git://git@gitlab.com:gitlab-org/gitlab.git", "vendor": "GitLab", "versions": [{"lessThan": "18.10.7", "status": "affected", "version": "18.8", "versionType": "semver"}, {"lessThan": "18.11.4", "status": "affected", "version": "18.11", "versionType": "semver"}, {"lessThan": "19.0.1", "status": "affected", "version": "19.0", "versionType": "semver"}]}], "source": "cve@gitlab.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "E1F4CEEB-95BD-4BFE-9316-403106E919EC", "versionEndExcluding": "18.10.7", "versionStartIncluding": "18.8.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "F4085D50-86E4-4FC7-BB90-5181E6E65DEC", "versionEndExcluding": "18.11.4", "versionStartIncluding": "18.11.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:19.0.0:*:*:*:enterprise:*:*:*", "matchCriteriaId": "57A0D68B-909C-416E-8EAE-A14886F4ABA9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "GitLab has remediated an issue in GitLab EE affecting all versions from 18.8 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that, under certain conditions, could have allowed an authenticated user to cause specific Duo AI workflows to run under another user's identity due to improper user identity resolution when triggering Duo AI workflow runners."}, {"lang": "es", "value": "GitLab ha remediado un problema en GitLab EE que afecta a todas las versiones desde la 18.8 anterior a la 18.10.7, la 18.11 anterior a la 18.11.4, y la 19.0 anterior a la 19.0.1 que, bajo ciertas condiciones, podr\u00eda haber permitido a un usuario autenticado causar que flujos de trabajo espec\u00edficos de Duo AI se ejecuten bajo la identidad de otro usuario debido a una resoluci\u00f3n de identidad de usuario incorrecta al activar los ejecutores de flujos de trabajo de Duo AI."}], "id": "CVE-2026-4868", "lastModified": "2026-10-14T20:10:00.190", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.8, "source": "cve@gitlab.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-4868", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-27T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-05-27T19:16:24.317", "references": [{"source": "cve@gitlab.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://about.gitlab.com/releases/2026/05/27/patch-release-gitlab-19-0-1-released/"}, {"source": "cve@gitlab.com", "tags": ["Broken Link"], "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/594809"}, {"source": "cve@gitlab.com", "tags": ["Permissions Required"], "url": "https://hackerone.com/reports/3619872"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "cve@gitlab.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[18.8,18.10.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[18.11,18.11.4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[19.0,19.0.1)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "GitLab", "source": "cna", "vendor": "GitLab"}, "product": "gitlab", "vendor": "gitlab"}], "created": "2026-05-27T19:15:26.080406+00:00", "updated": "2026-05-28T04:45:07.146983+00:00", "vendors": ["gitlab", "gitlab$PRODUCT$gitlab"]}