CVE-2026-126395

EUVD-2026-125170
vLLM from 0.14.0rc1 before 0.31.0 contains an information disclosure vulnerability in sanitize_message() 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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 33.5%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
vllmvllm
𝑥
< 0.31.0
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://github.com/vllm-project/vllm/security/advisories/GHSA-m9fg-w9qh-67pc
https://www.vulncheck.com/advisories/vllm-0.14-0rc1-before-0.31.0-heap-address-disclosure-via-sanitize-message