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CVE-2026-7141

vllm KV Block kv_cache_interface.py has_mamba_layers uninitialized resource

Published: Apr 27, 2026Updated: Apr 27, 2026 Sources: CVE List NVD
NVD MITRE
5.6CVSS
MEDIUM

A vulnerability was found in vllm up to 0.19.0. The affected element is the function has_mamba_layers of the file vllm/v1/kv_cache_interface.py of the component KV Block Handler. Performing a manipulation results in uninitialized resource. It is possible to initiate the attack remotely. The attack is considered to have high complexity. The exploitability is described as difficult. The exploit has been made public and could be used. The patch is named 1ad67864c0c20f167929e64c875f5c28e1aad9fd. To fix this issue, it is recommended to deploy a patch.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low

Weaknesses

CWE-908

Affected Products

vllm
n/a

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://vuldb.com/vuln/359740
vuldb.com
https://vuldb.com/vuln/359740/cti
vuldb.com
https://vuldb.com/submit/801297
vuldb.com
and 4 more references View all →

Timeline

Published
Apr 27, 2026
Last Updated
Apr 27, 2026

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