A vulnerability was found in LMCache up to 0.4.6 and classified as problematic . 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. This vulnerability is registered as CVE-2026-10813 . The attack needs to be launched locally. Furthermore, an exploit is available. The pull request to fix this issue awaits acceptance.