{"id":"CVE-2026-10813","summary":"LMCache KV Cache utils.py hex_hash_to_int16 weak hash","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.","modified":"2026-07-08T08:12:22.189160982Z","published":"2026-06-04T14:45:10.552Z","database_specific":{"cna_assigner":"VulDB","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/10xxx/CVE-2026-10813.json","cwe_ids":["CWE-327","CWE-328"]},"references":[{"type":"WEB","url":"https://github.com/LMCache/LMCache/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/10xxx/CVE-2026-10813.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-10813"},{"type":"ADVISORY","url":"https://vuldb.com/cve/CVE-2026-10813"},{"type":"ADVISORY","url":"https://vuldb.com/submit/831641"},{"type":"ADVISORY","url":"https://vuldb.com/vuln/368261"},{"type":"REPORT","url":"https://github.com/LMCache/LMCache/issues/3301"},{"type":"REPORT","url":"https://vuldb.com/vuln/368261/cti"},{"type":"FIX","url":"https://github.com/LMCache/LMCache/pull/2932"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/lmcache/lmcache","events":[{"introduced":"a13ad6654d12f09eade42a766d92992bf85dfb81"},{"last_affected":"a7f22be7505fafdb154e5a0400a285aa29545f00"}],"database_specific":{"extracted_events":[{"introduced":"0.4.0"},{"last_affected":"0.4.0"},{"introduced":"0.4.1"},{"last_affected":"0.4.1"},{"introduced":"0.4.2"},{"last_affected":"0.4.2"},{"introduced":"0.4.3"},{"last_affected":"0.4.3"},{"introduced":"0.4.4"},{"last_affected":"0.4.4"},{"introduced":"0.4.5"},{"last_affected":"0.4.5"},{"introduced":"0.4.6"},{"last_affected":"0.4.6"}],"source":"AFFECTED_FIELD"}}],"versions":["0.4.0","0.4.1","0.4.2","0.4.3","0.4.4","0.4.5","0.4.6","v0.4.6-cu129","v0.4.6","operator-v0.1.1","operator-latest","v0.4.5-cu129","v0.4.5","nightly-cu13","v0.4.4-cu13","v0.4.4","v0.4.3","v0.4.2","v0.4.1","v0.4.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-10813.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"}]}