Vulnerability record/PUBLISHED/Published Nov 15, 2026 01:15:24 UTC

CVE-2026-129356

A vulnerability was found in vllm-project vllm 0.30.0/0.31.0. This vulnerability affects unknown code of the file single_type_kv_cache_manager.py of the component Common Prefix Handler. The manipulation results in race condition. The attack may be performed from remote. Attacks of this nature are highly complex. It is stated that the exploitability is difficult. The exploit has been made public and could be used. Upgrading to version 0.32.0 is able to resolve this issue. The patch is identified as e687a251bb056fa527846633f7a1b0a6c0f42374. You should upgrade the affected component.

Base score2.3/ 10

SeverityLowCVSS 4.0

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityLow

Attack vectorNetworkAV

Attack complexityHighAC

Attack requirementsNoneAT

Privileges requiredLowPR

User interactionNoneUI

Vulnerable system confidentialityLowVC

Vulnerable system integrityLowVI

Vulnerable system availabilityLowVA

Subsequent system confidentialityNoneSC

Subsequent system integrityNoneSI

Subsequent system availabilityNoneSA

Exploit maturityProof of conceptE

CVSS vector stringCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering AuthorityVulDB

Last updatedNov 15, 2026 01:15:24 UTC

PublishedNov 15, 2026 01:15:24 UTC

ReservedNov 14, 2026 06:42:47 UTC

Credits

Zyz3366 (VulDB User)