CVE-2026-90878: medium-severity vulnerability in vllm-project vLLM
vllm-project vLLM Jinja Template Rendering completions resource consumption
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.5%
A vulnerability was determined in vllm-project vLLM up to 0.27.1. This affects an unknown part of the file /v1/chat/completions of the component Jinja Template Rendering. This manipulation of the argument chat_template causes resource consumption. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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_referencegithub.com/vllm-project/vllm/issues/52025unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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