CVE-2026-103241

medium

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.

References

https://vuldb.com/vuln/411965

https://vuldb.com/submit/956250

https://vuldb.com/cve/CVE-2026-103241

https://gist.github.com/Yunzez/8e98d656aa667095b513161eb056d28e

https://vuldb.com/vuln/411965/cti

https://github.com/vllm-project/vllm/releases/tag/v0.29.1rc0

https://github.com/vllm-project/vllm/pull/54303

https://github.com/vllm-project/vllm/issues/50927

https://github.com/vllm-project/vllm/commit/3439bad37e68ba9755a46f4f6b44a4aeaf1f60a9

https://github.com/vllm-project/vllm/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-90191

Details

Source: Mitre, NVD

Published: 2026-09-30

Updated: 2026-10-06

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

CVSS v4

Base Score: 6.9

Vector: 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

Severity: Medium

EPSS

EPSS: 0.00714