CVE-2026-19889— Server-Side Request Forgery (SSRF) in GitLab AI Gateway
Quick assessment
Affected
GitLab GitLab AI Gateway
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
GitLab 已修复 GitLab AI Gateway 组件中的一个漏洞。该漏洞影响了 AI Gateway 的多个版本：18.9.0 至 19.0.12、19.1 至 19.1.7，以及 19.2 至 19.2.2。该漏洞可能允许拥有 Duo Agent Platform 访问权限的已认证用户，通过构造的模型元数据将模型请求重定向到外部控制的端点，从而导致 Google Vertex AI 或 AWS Bedrock 云服务的凭据泄露。
Possible ATT&CK Techniques 3 AI
T1537 · Transfer Data to Cloud Account T1190 · Exploit Public-Facing Application T1041 · Exfiltration Over C2 ChannelAffected Version Matrix 3
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GitLab | GitLab AI Gateway | 18.9< 19.0.12 |
affected |
19.1< 19.1.7 |
affected | ||
19.2< 19.2.2 |
affected |
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-19889
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Server-Side Request Forgery (SSRF) in GitLab AI Gateway
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| GitLab | GitLab AI Gateway | 18.9 ~ 19.0.12 |
cpe:2.3:a:gitlab:ai-gateway:*:*:*:*:*:*:*:*
|
|
II. Public POCs for CVE-2026-19889
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-19889
请登录查看更多情报信息。
Other References for CVE-2026-19889 (1)
Same Patch Batch · GitLab · 2026-08-27 · 3 CVEs total
| CVE-2026-75871 | 8.2 HIGH | Server-Side Request Forgery (SSRF) in GitLab AI Gateway |
| CVE-2026-4398 | 5.4 MEDIUM | Authorization Bypass Through User-Controlled Key in GitLab |
IV. Related Vulnerabilities
Same vendor: GitLab
-
CVE-2026-4398
Authorization Bypass Through User-Controlled Key in GitLab -
CVE-2026-75871
Server-Side Request Forgery (SSRF) in GitLab AI Gateway -
CVE-2025-10903
Loop with Unreachable Exit Condition ('Infinite Loop') in Gi -
CVE-2026-3035
Authentication Bypass Using an Alternate Path or Channel in -
CVE-2026-7487
Access Control Check Implemented After Asset is Accessed in
Same weakness: CWE-918
-
CVE-2026-81848
cyberchitta scrapling-fetch-mcp _fetcher.py s_fetch_pattern -
CVE-2026-55758
CC: Tweaked: Incomplete fix for GHSA-5jh9-2h63-pw4q: RFC 821 -
CVE-2026-75871
Server-Side Request Forgery (SSRF) in GitLab AI Gateway -
CVE-2026-81678
AVideo SSRF Guard Bypass via IPv6 Transition Addresses -
CVE-2026-81093
Apify Actors MCP Server before 0.9.12 Server-Side Request Fo
V. Comments for CVE-2026-19889
No comments yet