CVE-2026-10813

LMCache KV Cache utils.py hex_hash_to_int16 weak hash

LOW
3.6
CVSS Score
Published: June 4, 2026 at 02:45 PM UTC
Updated: October 17, 2026 at 07:16 AM UTC
1 product affected across 1 vendorLMCache

Using LMCache by N/A?

Get instant alerts when new vulnerabilities affect LMCache - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
LOW3.6
Exploit prediction
EPSS 0.1%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 0.5.5 (unaffected)

References (10)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/368261
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/368261/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-10813
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/831641
ExploitIssue Tracking
Source: cverecord
https://github.com/LMCache/LMCache/issues/3301
Issue TrackingPatch
Source: cverecord
https://github.com/LMCache/LMCache/pull/2932
Product
Source: cverecord
https://github.com/LMCache/LMCache/
Issue TrackingPatch
Source: cverecord
https://github.com/LMCache/LMCache/pull/4783

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.6LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-328CWE-327

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card