CVE-2026-25960
SSRF Protection Bypass in vLLM
- State
- Published
- Severity
- 7.1 High
- Published
- Mar 9, 2026
- Updated
- Jul 21, 2026
- Reserved
- Feb 9, 2026
Description
vLLM is an inference and serving engine for large language models (LLMs). The SSRF protection fix for CVE-2026-24779 add in 0.15.1 can be bypassed in the load_from_url_async method due to inconsistent URL parsing behavior between the validation layer and the actual HTTP client. The SSRF fix uses urllib3.util.parse_url() to validate and extract the hostname from user-provided URLs. However, load_from_url_async uses aiohttp for making the actual HTTP requests, and aiohttp internally uses the yarl library for URL parsing. This vulnerability in 0.17.0.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.1 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L | GitHub_M |
| 3.1 | 7.1 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L | redhat-SADP |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
vllmvllm-project |
|
References
- https://github.com/vllm-project/vllm/security/advisories/GHSA-v359-jj2v-j536
- https://github.com/vllm-project/vllm/security/advisories/GHSA-qh4c-xf7m-gxfc
- https://github.com/vllm-project/vllm/pull/34743
- https://github.com/vllm-project/vllm/commit/6f3b2047abd4a748e3db4a68543f8221358002c0
- https://access.redhat.com/security/cve/CVE-2026-25960vdb-entry
- RHBZ#2445892issue-tracking
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25960.json
- https://access.redhat.com/errata/RHSA-2026:42644vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:24977vendor-advisory
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