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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/higress-group/higress
- https://github.com/higress-group/higress/blob/v2.2.3/plugins/wasm-go/extensions/
- https://github.com/higress-group/higress/blob/v2.2.4/plugins/wasm-go/extensions/
- https://github.com/higress-group/higress/issues/4599
- https://www.vulncheck.com/advisories/higress-before-2.2.4-rate-limit-bypass-via-
- https://github.com/higress-group/higress/issues/4599
FAQ
What is CVE-2026-92790?
CVE-2026-92790 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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. Una...
How severe is CVE-2026-92790?
CVE-2026-92790 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-92790?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.