CVE-2026-10813

lowpriority · track · 0OT risk · elevatedEPSS 0.001 · 0 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.08% (0th) EPSS

CVSS 2.4 · low

Is it mine?

8 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

3.6

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.02.4lowAV:L/AC:H/Au:S/C:N/I:P/A:Psecondary · cna@vuldb.comexploitability 1.5 · impact 4.9

v3.13.6lowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:Lsecondary · cna@vuldb.comexploitability 1 · impact 2.5

v3.13.6lowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:Lsecondary · OSV

v4.02lowCVSS: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:Psecondary · ENISA EU

v4.01.1lowCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · cna@vuldb.com

v4.00.4lowCVSS: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:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-327USCWE-327USCWE-328US

affected products (8)

Products and version ranges known to be affected.

n/a LMCache≤ 0.4.5enisa_euvdEU
n/a LMCache≤ 0.4.4enisa_euvdEU
n/a LMCache≤ 0.4.1enisa_euvdEU
n/a LMCache≤ 0.4.0enisa_euvdEU
n/a LMCache≤ 0.4.3enisa_euvdEU
n/a LMCache≤ 0.4.6enisa_euvdEU
n/a LMCache≤ 0.4.2enisa_euvdEU
PyPI lmcache≤ 0.4.6osvUSpkg:pypi/lmcache

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-3hh9-752g-5g22LMCache: 16-bit multimodal hash collision can poison KV cache entries2026-06-04ghsa · osvUS
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.
PYSEC-2026-3480LMCache: 16-bit multimodal hash collision can poison KV cache entries2026-07-23vendor · osvUS
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.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv NVD CVE.org MITRE

published 2026-06-04modified 2026-07-22

references (21)

External citations — patches, advisories, analysis.

scry

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