CVE-2026-19889

{"id": "CVE-2026-19889", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-19889", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-27T18:59:38.790216Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@gitlab.com", "cvssData": {"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"}, "impactScore": 5.8, "exploitabilityScore": 1.8}]}, "affected": [{"source": "cve@gitlab.com", "affectedData": [{"cpes": ["cpe:2.3:a:gitlab:ai-gateway:*:*:*:*:*:*:*:*"], "vendor": "GitLab", "product": "GitLab AI Gateway", "versions": [{"status": "affected", "version": "18.9", "lessThan": "19.0.12", "versionType": "semver"}, {"status": "affected", "version": "19.1", "lessThan": "19.1.7", "versionType": "semver"}, {"status": "affected", "version": "19.2", "lessThan": "19.2.2", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-27T17:17:43.170", "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/614164", "source": "cve@gitlab.com"}, {"url": "https://hackerone.com/reports/3938027", "source": "cve@gitlab.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "cve@gitlab.com", "description": [{"lang": "en", "value": "CWE-918"}]}], "descriptions": [{"lang": "en", "value": "GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gateway from 18.9.0 to 19.0.12, 19.1 to 19.1.7, and 19.2 to 19.2.2 that could have allowed an authenticated user with Duo Agent Platform access to redirect model requests to an externally-controlled endpoint via crafted model metadata, resulting in the disclosure of Google Vertex AI or AWS Bedrock cloud service credentials."}], "lastModified": "2026-08-28T15:44:39.323", "sourceIdentifier": "cve@gitlab.com"}