PT-2026-91857 · Vllm · Vllm

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CVE-2026-90878

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Published

2026-09-15

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Updated

2026-09-15

CVSS v3.1

4.3

Medium

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Name of the Vulnerable Software and Affected Versions vLLM versions prior to 0.27.2
Description A remote issue exists in the Jinja Template Rendering component. Manipulation of the chat template argument at the '/v1/chat/completions' endpoint leads to excessive resource consumption.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Resource Exhaustion

Improper Resource Release

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Weakness Enumeration

Related Identifiers

CVE-2026-90878

Affected Products

Vllm