CVE-2026-90878— vllm-project vLLM Jinja Template Rendering completions resource consumption
Quick assessment
Affected
vllm-project vLLM
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 vllm-project 的 vLLM 版本（至 0.27.1 及更早版本）中确认存在一个漏洞。该漏洞影响组件 Jinja 模板渲染功能中 /v1/chat/completions 文件的未知部分。通过操纵参数 可引发资源消耗问题。该攻击可远程发起。该利用方式已公开披露，可能被利用。旨在修复此问题的拉取请求（Pull Request）目前尚未被接受。
Possible ATT&CK Techniques 2 AI
T1480 · Execution Guardrails T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-90878
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
vllm-project vLLM Jinja Template Rendering completions resource consumption
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| vllm-project | vLLM | 0.27.0 |
cpe:2.3:a:vllm-project:vllm:*:*:*:*:*:*:*:*
|
|
II. Public POCs for CVE-2026-90878
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-90878
请登录查看更多情报信息。
Patches & Fixes for CVE-2026-90878 (2)
Vendor Pages for CVE-2026-90878 (1)
IV. Related Vulnerabilities
Same product: vLLM
-
CVE-2026-90713
vllm-project vLLM tiktoken vocab File mod.rs new denial of s -
CVE-2026-90555
vLLM before 0.28.0 Denial of Service via Audio Header -
CVE-2026-90554
vLLM before 0.28.0 Denial of Service via audio extraction -
CVE-2026-90553
vLLM before 0.28.0 Remote Code Execution via LlavaOnevision2 -
CVE-2026-78684
vLLM before 0.27.0 Denial of Service via DeepStream Backend
Same vendor: vllm-project
-
CVE-2026-90713
vllm-project vLLM tiktoken vocab File mod.rs new denial of s -
CVE-2026-90554
vLLM before 0.28.0 Denial of Service via audio extraction -
CVE-2026-90555
vLLM before 0.28.0 Denial of Service via Audio Header -
CVE-2026-90553
vLLM before 0.28.0 Remote Code Execution via LlavaOnevision2 -
CVE-2026-78684
vLLM before 0.27.0 Denial of Service via DeepStream Backend
Same weakness: CWE-400
-
CVE-2026-12759
Multiple security vulnerabilities are addressed with IBM Clo -
CVE-2026-17463
IBM® Db2® could allow a remote authenticated attacker to cau -
CVE-2026-53495
containerd CRI ExecSync Goroutine Leak Leading to Node-Level -
CVE-2026-90928
File Browser through 2.63.23 Memory Exhaustion via subtitle -
CVE-2026-90927
filebrowser through 2.63.23 Denial of Service via unbounded
V. Comments for CVE-2026-90878
No comments yet