{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-1747", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2026-02-01T18:33:18.805Z", "datePublished": "2026-02-25T20:04:49.893Z", "dateUpdated": "2026-02-26T15:39:03.951Z" }, "containers": { "cna": { "title": "Authentication Bypass Using an Alternate Path or Channel in GitLab", "descriptions": [ { "lang": "en", "value": "GitLab has remediated an issue in GitLab EE affecting all versions from 17.11 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that, under certain conditions, could have allowed Developer-role users with insufficient privileges to make unauthorized modifications to protected Conan packages." } ], "affected": [ { "vendor": "GitLab", "product": "GitLab", "repo": "git://git@gitlab.com:gitlab-org/gitlab.git", "cpes": [ "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*" ], "versions": [ { "version": "17.11", "status": "affected", "lessThan": "18.7.5", "versionType": "semver" }, { "version": "18.8", "status": "affected", "lessThan": "18.8.5", "versionType": "semver" }, { "version": "18.9", "status": "affected", "lessThan": "18.9.1", "versionType": "semver" } ], "defaultStatus": "unaffected" } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "CWE-288: Authentication Bypass Using an Alternate Path or Channel", "cweId": "CWE-288", "type": "CWE" } ] } ], "references": [ { "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/588385", "name": "GitLab Issue #588385", "tags": [ "issue-tracking", "permissions-required" ] }, { "url": "https://hackerone.com/reports/3533088", "name": "HackerOne Bug Bounty Report #3533088", "tags": [ "technical-description", "exploit", "permissions-required" ] }, { "url": "https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/" } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM" } } ], "solutions": [ { "lang": "en", "value": "Upgrade to versions 18.7.5, 18.8.5, 18.9.1 or above." } ], "credits": [ { "lang": "en", "value": "Thanks [modhanami](https://hackerone.com/modhanami) for reporting this vulnerability through our HackerOne bug bounty program", "type": "finder" } ], "providerMetadata": { "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-02-25T20:04:49.893Z" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-02-26T15:38:24.259525Z", "id": "CVE-2026-1747", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-26T15:39:03.951Z" } } ] } }