- CVSS
- MEDIUM · 5.6 v3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- Published
- 2026-04-27
- Weakness
- CWE-908
- Source
- nvd.nist.gov/vuln/detail/CVE-2026-7141
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.
References
- https://github.com/AjAnubolu/vllm/commit/1ad67864c0c20f167929e64c875f5c28e1aad9fd
- https://github.com/vllm-project/vllm/issues/39146
- https://github.com/vllm-project/vllm/issues/39146#issue-4215090365
- https://github.com/vllm-project/vllm/pull/39283
- https://vuldb.com/submit/801297
- https://vuldb.com/vuln/359740
How GTK Cyber trains on this
AI security training at GTK Cyber covers the LLM and ML-pipeline vulnerability classes that vulnerabilities like CVE-2026-7141 fall into. Our hands-on courses are taught by Charles Givre and other practitioners who break and defend production AI systems.