HOMEVULNERABILITIESCVE-2026-7141
MEDIUM

CVE-2026-7141

CWE-908Published: April 27, 2026· Updated: May 1, 2026

5.6
CVSS v3.1
EPSS:0.05%probability of exploitation in 30 daysPercentile:14.2th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-7141 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected Vendors & Products

vllm1 product
vllm
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/AjAnubolu/vllm/commit/1ad67864c0c20f167929e64c875f5c28e1aad9fd
PATCHhttps://github.com/vllm-project/vllm/pull/39283
ADVISORYhttps://vuldb.com/submit/801297
ADVISORYhttps://vuldb.com/vuln/359740

All References (7)

→
https://github.com/AjAnubolu/vllm/commit/1ad67864c0c20f167929e64c875f5c28e1aad9fdPatch
→
https://github.com/vllm-project/vllm/issues/39146Issue Tracking
→
https://github.com/vllm-project/vllm/issues/39146#issue-4215090365Issue Tracking
→
https://github.com/vllm-project/vllm/pull/39283Issue Tracking · Patch
→
https://vuldb.com/submit/801297Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/359740Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/359740/ctiPermissions Required

Quick Facts

CVE IDCVE-2026-7141
CVSS Score5.6 / 10
SeverityMEDIUM
WeaknessCWE-908
CISA KEVNo
EPSS (30d)0.05%
Affected1 vendor
PublishedApr 27, 2026

Related CVEs (CWE-908)

CVE-2026-2044
7.8
CVE-2026-34543
7.5
CVE-2026-45736
7.5
CVE-2026-3497
6.9
CVE-2025-48513
6.9
CVE-2026-58051
6.5

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-7141 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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