Vulnerability in Lmcache
CVE-2026-10813
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.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.6 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.001 (0.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Lmcache — versions 0.4.0, 0.4.1, 0.4.2
Weakness classification (CWE)
References
- vuldb.com/vuln/368261 (technical-description, vdb-entry)
- vuldb.com/vuln/368261/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-10813 (third-party-advisory)
- vuldb.com/submit/831641 (third-party-advisory)
- github.com/LMCache/LMCache/issues/3301 (issue-tracking, exploit)
- github.com/LMCache/LMCache/pull/2932 (issue-tracking, patch)
- github.com/LMCache/LMCache/ (product)
Frequently asked questions
- What is CVE-2026-10813?
- CVE-2026-10813 is a low-severity vulnerability in Lmcache, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 3.6/10. Published 2026-06-04.
- How severe is CVE-2026-10813?
- Low severity. CVSS v3 base score is 3.6 out of 10.