CVE-2026-10813 (GCVE-0-2026-10813)

Vulnerability from cvelistv5 – Published: 2026-06-04 14:45 – Updated: 2026-06-04 17:28
VLAI
Title
LMCache KV Cache utils.py hex_hash_to_int16 weak hash
Summary
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.
Severity
2 (Low)
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
3.6 (Low)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
3.6 (Low)
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/368261 vdb-entrytechnical-description
https://vuldb.com/vuln/368261/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-10813 third-party-advisory
https://vuldb.com/submit/831641 third-party-advisory
https://github.com/LMCache/LMCache/issues/3301 exploitissue-tracking
https://github.com/LMCache/LMCache/pull/2932 issue-trackingpatch
https://github.com/LMCache/LMCache/ product
Impacted products
Vendor Product Version
n/a LMCache Affected: 0.4.0
Affected: 0.4.1
Affected: 0.4.2
Affected: 0.4.3
Affected: 0.4.4
Affected: 0.4.5
Affected: 0.4.6
    cpe:2.3:a:lmcache:lmcache:*:*:*:*:*:*:*:*
Credits
Dem00 (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.