How severe is CVE-2026-25960?

CVE-2026-25960 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.

Is CVE-2026-25960 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-25960?

CVE-2026-25960 affects Vllm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-25960?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-25960 have an EU (EUVD) identifier?

Yes. CVE-2026-25960 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10356.

When was CVE-2026-25960 published?

CVE-2026-25960 was published on 2026-03-09 and last updated on 2026-06-30.

CVE-2026-25960

CVE-2026-25960 is a high-severity vulnerability in Vllm with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10356
Weakness: CWE-918
Affected product: Vllm
Published: 2026-03-09
Last modified: 2026-06-30

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.

Frequently asked questions

What is CVE-2026-25960?: 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.
How severe is CVE-2026-25960?: CVE-2026-25960 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.
Is CVE-2026-25960 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-25960?: CVE-2026-25960 affects Vllm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-25960?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-25960 have an EU (EUVD) identifier?: Yes. CVE-2026-25960 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10356.
When was CVE-2026-25960 published?: CVE-2026-25960 was published on 2026-03-09 and last updated on 2026-06-30.

References

Affected products (1)

cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:*

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