How severe is CVE-2026-7141?

CVE-2026-7141 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-7141 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-7141?

CVE-2026-7141 affects Vllm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-7141?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-7141 have an EU (EUVD) identifier?

Yes. CVE-2026-7141 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25892.

When was CVE-2026-7141 published?

CVE-2026-7141 was published on 2026-04-27 and last updated on 2026-06-17.

CVE-2026-7141

CVE-2026-7141 is a medium-severity vulnerability in Vllm with a CVSS 3.x base score of 5.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-908.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
CVSS v2: 5.1
CVSS v4: 2.9
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25892
Weakness: CWE-908
Affected product: Vllm
Published: 2026-04-27
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-7141?: 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.
How severe is CVE-2026-7141?: CVE-2026-7141 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-7141 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-7141?: CVE-2026-7141 affects Vllm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-7141?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-7141 have an EU (EUVD) identifier?: Yes. CVE-2026-7141 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25892.
When was CVE-2026-7141 published?: CVE-2026-7141 was published on 2026-04-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:*

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