{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90970", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2026-09-14T13:37:05.263Z", "datePublished": "2026-10-02T14:34:49.558Z", "dateUpdated": "2026-10-02T14:34:49.558Z"}, "containers": {"cna": {"title": "Improper Neutralization of Special Elements Used in a Template Engine in GitLab AI Gateway", "descriptions": [{"lang": "en", "value": "GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gateway from 18.1.6 before 19.2.4, 19.3 before 19.3.2, and 19.4 before 19.4.1 that, under certain conditions, could have allowed an authenticated user with Duo Agent Platform access to escape the prompt template sandbox via a specially crafted flow configuration, resulting in arbitrary command execution on the AI Gateway."}], "affected": [{"vendor": "GitLab", "product": "GitLab AI Gateway", "repo": "https://gitlab.com/gitlab-org/modelops/applied-ml/code-suggestions/ai-assist", "cpes": ["cpe:2.3:a:gitlab:ai-gateway:*:*:*:*:*:*:*:*"], "versions": [{"version": "18.1.6", "status": "affected", "lessThan": "19.2.4", "versionType": "semver"}, {"version": "19.3", "status": "affected", "lessThan": "19.3.2", "versionType": "semver"}, {"version": "19.4", "status": "affected", "lessThan": "19.4.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine", "cweId": "CWE-1336", "type": "CWE"}]}], "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/628842"}], "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:C/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL"}}], "solutions": [{"lang": "en", "value": "Upgrade to version 19.2.4, 19.3.2, 19.4.1 or above."}], "credits": [{"lang": "en", "value": "Thanks [invisiblemeerkat](https://hackerone.com/invisiblemeerkat) for responsibly disclosing this issue", "type": "finder"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-10-02T14:34:49.558Z"}}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:gitlab:ai-gateway:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "product": "GitLab AI Gateway", "repo": "https://gitlab.com/gitlab-org/modelops/applied-ml/code-suggestions/ai-assist", "vendor": "GitLab", "versions": [{"lessThan": "19.2.4", "status": "affected", "version": "18.1.6", "versionType": "semver"}, {"lessThan": "19.3.2", "status": "affected", "version": "19.3", "versionType": "semver"}, {"lessThan": "19.4.1", "status": "affected", "version": "19.4", "versionType": "semver"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "GitLab has remediated a vulnerability in the GitLab AI Gateway component affecting all versions of the AI Gateway from 18.1.6 before 19.2.4, 19.3 before 19.3.2, and 19.4 before 19.4.1 that, under certain conditions, could have allowed an authenticated user with Duo Agent Platform access to escape the prompt template sandbox via a specially crafted flow configuration, resulting in arbitrary command execution on the AI Gateway."}], "id": "CVE-2026-90970", "lastModified": "2026-10-02T15:17:12.550", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-10-02T15:17:12.550", "references": [{"source": "[email protected]", "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/628842"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1336"}], "source": "[email protected]", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[18.1.6,19.2.4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[19.3,19.3.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[19.4,19.4.1)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "GitLab AI Gateway", "source": "cna", "vendor": "GitLab"}, "product": "ai-gateway", "vendor": "gitlab"}], "created": "2026-10-02T15:30:11.575056+00:00", "updated": "2026-10-02T15:30:12.264423+00:00", "vendors": ["gitlab", "gitlab$PRODUCT$ai-gateway"]}