CVE-2026-90878

EUVD-2026-78268
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulDBCNA
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
vllmvllm
0.27.0
CNA
vllmvllm
0.27.1
CNA
Common Weakness Enumeration
References
https://github.com/vllm-project/vllm/
https://github.com/vllm-project/vllm/issues/52025
https://github.com/vllm-project/vllm/pull/52163
https://vuldb.com/cve/CVE-2026-90878
https://vuldb.com/submit/927901
https://vuldb.com/vuln/403472
https://vuldb.com/vuln/403472/cti