Is there a public exploit for CVE-2026-126395?

No public exploit for CVE-2026-126395 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-126395?

CVE-2026-126395 scores CVSS 6.9 (v4.0), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.39%.

What does CVE-2026-126395 affect?

CVE-2026-126395 affects vllm-project vllm. It is part of the AI and agent stack (vLLM).

6.9 Medium

vLLM from 0.14.0rc1 before 0.31.0 contains an information disclosure vulnerability in sanitizemessage() whose lowercase-only regex fails to…

CVE-2026-126395

vLLM from 0.14.0rc1 before 0.31.0 contains an information disclosure vulnerability in sanitizemessage() whose lowercase-only regex fails to scrub uppercase PIL image addresses. Unauthenticated attackers can send a crafted PNG to endpoints such as /tokenize, triggering HF-processor errors that leak live server heap addresses useful for ASLR bypass.

Part of the AI stack

This affects vLLM, in Inference & serving.

Assessment

CVSS: 6.9 (v4.0)
Severity: Medium
EPSS: 0.39% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 13 November 2026
Last updated: 13 November 2026
Affected: vllm-project · vllm
Assigner: VulnCheck

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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