CVE-2026-103241vllm-project vLLM Gemma4UnifiedParser gemma4.rs denial of service
Updated under an hour ago ()
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It affects vllm-project vLLM and 1 other product. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.71%, higher than 52% of scored CVEs.
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Free account, 1 product
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
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
- Weakness (CWE)
- CWE-404
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.71% (percentile 52)
- Assigned by
- VulDB
- NVD analysis
- Analyzed
- Record last updated
- Oct 2, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
vllm-project vLLM vllm-project:vllm | 0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; and 19 more ranges | CNA record |
vllm vllm vllm:vllm | through 0.26.0 | NVD |
References
- https://vuldb.com/vuln/411965vdb-entry, third-party-advisory
- https://vuldb.com/vuln/411965/ctisignature, permissions-required, vdb-entry
- https://vuldb.com/cve/CVE-2026-103241third-party-advisory, vdb-entry
- https://vuldb.com/submit/956250third-party-advisory, vdb-entry
- https://github.com/vllm-project/vllm/issues/50927issue-tracking, patch
- https://github.com/vllm-project/vllm/pull/54303issue-tracking, patch
- https://gist.github.com/Yunzez/8e98d656aa667095b513161eb056d28eexploit, product
- https://github.com/vllm-project/vllm/commit/3439bad37e68ba9755a46f4f6b44a4aeaf1f60a9patch
- https://github.com/vllm-project/vllm/releases/tag/v0.29.1rc0patch, release-notes
- https://github.com/vllm-project/vllm/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.