CVE-2026-103241
Vllm: denial of service
- Risk score
- 61/100
- CVSS
- 7.5 v3.1
- Exploit chance (30 days)
- 0.7%
- Published
- 30 Sep 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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…
- Affected
- Vllm
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 7.5 high
- Remotely exploitable without logging in
References
- https://gist.github.com/Yunzez/8e98d656aa667095b513161eb056d28e
- https://github.com/vllm-project/vllm/
- https://github.com/vllm-project/vllm/commit/3439bad37e68ba9755a46f4f6b44a4aeaf1f60a9
- https://github.com/vllm-project/vllm/issues/50927
- https://github.com/vllm-project/vllm/pull/54303
- https://github.com/vllm-project/vllm/releases/tag/v0.29.1rc0
- https://vuldb.com/cve/CVE-2026-103241
- https://vuldb.com/submit/956250
- https://vuldb.com/vuln/411965
- https://vuldb.com/vuln/411965/cti
Original 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.
Last activity 30 Sep 2026. Patch Forecast updates every hour.