EUVD-2026-67087
GHSA-vm6q-jfj7-8c34
Severity by source
AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
PR:L for Duo Agent Platform requirement, AC:H for metadata crafting complexity; S:C and C:H reflect cloud credential exfiltration crossing system boundaries.
Primary rating from Vendor (GitLab).
CVSS VectorVendor: GitLab
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Lifecycle Timeline
3DescriptionCVE.org
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.
AnalysisAI
Server-Side Request Forgery (SSRF) in GitLab AI Gateway allows authenticated users with Duo Agent Platform access to exfiltrate Google Vertex AI or AWS Bedrock cloud service credentials by injecting a malicious endpoint into crafted model metadata, causing the gateway to proxy requests - including cloud credentials - to an attacker-controlled server. All AI Gateway releases from 18.9.0 through 19.2.2 are affected across three version branches; GitLab has confirmed remediation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid GitLab account with Duo Agent Platform access - a role-specific entitlement, not granted to all authenticated users. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.2 score with vector AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N reflects a meaningful but access-gated threat. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An authenticated GitLab user with Duo Agent Platform access submits an AI model request with crafted model metadata specifying an attacker-controlled HTTPS server as the model endpoint instead of a legitimate Vertex AI or Bedrock URL. The AI Gateway, without validating the destination, proxies the request - including cloud provider authentication headers or signed credentials - to the attacker's server, where they are logged and captured. … |
| Remediation | GitLab has confirmed remediation of this vulnerability. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all GitLab AI Gateway deployments running versions 18.9.0-19.2.2 and immediately restrict network egress from the gateway to external endpoints to block malicious proxy attempts. …
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More in Gitlab Ai Gateway
View allSame weakness CWE-918 – Server-Side Request Forgery (SSRF)
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External POC / Exploit Code
Leaving vuln.today