PatchTheCVECVE-2026-7141: A vulnerability was found in vLLM up to 0.19.0
CVE-2026-7141 is a medium-severity flaw (CVSS 5.6) affecting vllm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 existence
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.6 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 79%) |
| CISA exploited list | No |
| Weakness | CWE-908 |
| Published | 2026-04-27 |
| Last modified | 2026-08-25 |
Last updated 2026-08-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-7141?
vllm: upgrade to newer than 0.19.0. Exact commands for each OS are on this page.
Is CVE-2026-7141 being exploited?
CVE-2026-7141 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-7141 affect?
CVE-2026-7141 affects vllm. Severity is medium (CVSS 5.6). 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.
How urgent is CVE-2026-7141?
Priority 30/100. Remotely exploitable, no login, no user action
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