LOW 3.6
GHSA-3hh9-752g-5g22
LMCache: 16-bit multimodal hash collision can poison KV cache entries
Details
A flaw has been found in LMCache up to 0.4.6. This affects the function hex_hash_to_int16 of the file lmcache/integration/vllm/utils.py of the component KV Cache Handler. Executing a manipulation can lead to use of weak hash. The attack needs to be launched locally. The attack requires a high level of complexity. It is indicated that the exploitability is difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
Are you affected?
Enter the version of the package you're using.
Affected packages
PyPI / lmcache
Introduced in:
0 No fixed version published yet for lmcache (pip). Pin to a known-safe version or switch to an alternative.
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-10813 [ADVISORY]
- https://github.com/LMCache/LMCache/issues/3301 [WEB]
- https://github.com/LMCache/LMCache/pull/2932 [WEB]
- https://github.com/LMCache/LMCache [PACKAGE]
- https://vuldb.com/cve/CVE-2026-10813 [WEB]
- https://vuldb.com/submit/831641 [WEB]
- https://vuldb.com/vuln/368261 [WEB]
- https://vuldb.com/vuln/368261/cti [WEB]