vllm-project vLLM Gemma4UnifiedParser gemma4.rs denial of service
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.9epss 0.7%
exploitation probability
0.7%top 50% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
vllm-project · vLLMpublic PoCs found — 1
cve_referencegist.github.com/Yunzez/8e98d656aa667095b513161eb056d28eunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://gist.github.com/Yunzez/8e98d656aa667095b513161eb056d28ehttps://github.com/vllm-project/vllm/https://github.com/vllm-project/vllm/commit/3439bad37e68ba9755a46f4f6b44a4aeaf1f60a9https://github.com/vllm-project/vllm/issues/50927https://github.com/vllm-project/vllm/pull/54303https://github.com/vllm-project/vllm/releases/tag/v0.29.1rc0https://vuldb.com/cve/CVE-2026-103241https://vuldb.com/submit/956250https://vuldb.com/vuln/411965https://vuldb.com/vuln/411965/cti