Description
A flaw has been found in vllm-project vLLM up to 0.26.0. This vulnerability affects unknown code of the file rust/src/parser/src/unified/gemma4.rs of the component Gemma4UnifiedParser. Executing a manipulation can lead to denial of service. The attack may be launched remotely. The exploit has been published and may be used. Upgrading to version 0.29.1rc0 is able to resolve this issue. This patch is called 3439bad37e68ba9755a46f4f6b44a4aeaf1f60a9. Upgrading the affected component is advised.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| vllm-project | vLLM | 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 0.10, 0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 0.17, 0.18, 0.19, 0.20, 0.21, 0.22, 0.23, 0.24, 0.25, 0.26.0 | 0.29.1rc0 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | vllm | < 0.27.0 | 0.27.0 | PYSEC-2026-4186 |
References
- VDB-411965 | vllm-project vLLM Gemma4UnifiedParser gemma4.rs denial of service vdb-entry
- VDB-411965 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-103241 | CVE Analysis and Report third-party-advisory
- Submit #956250 | vLLM Project vLLM v0.26.0 Denial of Service third-party-advisory
- https://github.com/vllm-project/vllm/issues/50927 issue-tracking
- https://github.com/vllm-project/vllm/pull/54303 issue-tracking patch
- https://gist.github.com/Yunzez/8e98d656aa667095b513161eb056d28e exploit
- https://github.com/vllm-project/vllm/commit/3439bad37e68ba9755a46f4f6b44a4aeaf1f60a9 patch
- https://github.com/vllm-project/vllm/releases/tag/v0.29.1rc0 patch
- https://github.com/vllm-project/vllm/ product