CVE-2026-92790— Higress before 2.2.4 Rate Limit Bypass via Malformed Cookie Header
Quick assessment
Affected
higress-group higress
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.
Higress before 2.2.4 panics when processing a Cookie header segment without an equals sign, causing the plugin wrapper to recover and return a continue action that bypasses AI token rate limiting. Unauthenticated attackers can craft a malformed Cookie header t
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I. Basic Information for CVE-2026-92790
Vulnerability Information
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Vulnerability Title
Higress before 2.2.4 Rate Limit Bypass via Malformed Cookie Header
Source: CVE Program / CVE List V5
Vulnerability Description
Higress before 2.2.4 panics when processing a Cookie header segment without an equals sign, causing the plugin wrapper to recover and return a continue action that bypasses AI token rate limiting. Unauthenticated attackers can craft a malformed Cookie header to skip rate limit checks and exceed thresholds intended to restrict costly model backend calls.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对异常条件检查或处理不恰当
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| higress-group | higress | 0 ~ 2.2.4 | - |
|
II. Public POCs for CVE-2026-92790
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-92790 (5)
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V. Comments for CVE-2026-92790
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