PoC Index85,079 CVEs with PoCs

CVE-2026-90878

vllm-project vLLM Jinja Template Rendering completions resource consumption

LOW 2.1EPSS 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.

Affected
vllm-project · vLLM
CVSS v4.0 VULDB
2.1 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 VULDB
4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v2.0 VULDB
4.0 MEDIUMAV:N/AC:L/Au:S/C:N/I:N/A:P
EPSS
0.53% chance of exploitation in the next 30 days, 44th percentile
Published
2026-09-15

Proof-of-concept exploits (1)

References

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