What’s Vulnerable › Vulnerabilities

CVE-2026-114054: vLLM before 0.31.0 Cross-Request Cache Aliasing via EXIF ImageID and Prefix-Cache Keys

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-21 · updated 2026-10-28
• Weakness: CWE-284

Description

vLLM before 0.31.0 contains a cache aliasing vulnerability that allows authenticated attackers to collide shared cache keys by supplying caller-controlled values such as EXIF ImageID or cache_salt. Attackers can set a UUID EXIF ImageID to receive another request's cached processed media, or match cache_salt to a LoRA name to reuse first-block KV state.

Affected products

• vllm-project vllm: before 0.31.0 — fixed in 0.31.0

How to fix

Upgrade to a fixed version: vllm-project vllm 0.31.0. Check the vendor advisory for mitigations.

References

• https://github.com/vllm-project/vllm/security/advisories/GHSA-rh6f-3x46-j33q
• https://www.vulncheck.com/advisories/vllm-before-0.31.0-cross-request-cache-aliasing-via-exif-imageid-and-prefix-cache-keys

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