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Vulnerability record · CVE-2026-25960 · published 9 March 2026

CVE-2026-25960: Vllm server-side request forgery (ssrf) vulnerability

Vllm · Vllm

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.

9.8 CVSS 3.1 Critical EPSS 0.72% · top 48.0% CWE-918 · Server-side request forgery (SSRF)CWE-474 · CWE-474
9.8CVSS 3.1 base score
0.72%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
9References, 1 tagged exploit
21 Jul 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/vllm-project/vllm/commit/6f3b2047abd4a748e3db4a68543f8221358002c0 Patch
https://github.com/vllm-project/vllm/pull/34743 Issue TrackingPatch
https://github.com/vllm-project/vllm/security/advisories/GHSA-qh4c-xf7m-gxfc Not Applicable
https://github.com/vllm-project/vllm/security/advisories/GHSA-v359-jj2v-j536 ExploitPatchVendor Advisory
https://access.redhat.com/errata/RHSA-2026:24977
https://access.redhat.com/errata/RHSA-2026:42644
https://access.redhat.com/security/cve/CVE-2026-25960
https://bugzilla.redhat.com/show_bug.cgi?id=2445892
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25960.json

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Source: NIST National Vulnerability Database (record CVE-2026-25960), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.