Anubis: Policy bypass via client controlled X-Original-URI header — GHSA-6WCG-MQVH-FCVG

Summary

Any HTTP client can bypass Anubis bot protection on the default configuration by adding a single request header. No challenge needs to be solved. Affected versions: v1.22.0 through v1.25.0 (introduced in commit d1d631a, PR #1015) The root cause is in `lib/policy/checker.go`, `PathChecker.Check()`: ```go func (pc *PathChecker) Check(r *http.Request) (bool, error) { originalUrl := r.Header.Get("X-Original-URI") if…

Timeline

Published by source

2026-10-02

Risk context

• Reported severity or threat level: medium.
• Reported CVSS score: 5.8 out of 10.
• Reported EPSS value: 0.0027.
• Review exposure for the affected product or family: go: github.com/TecharoHQ/anubis.

Product

go: github.com/TecharoHQ/anubis

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Evidence and provenance

Canonical advisory ID

GHSA-6WCG-MQVH-FCVG

Source

GitHub

Vendor

GitHub

Published by source

2026-10-02

Last source activity

2026-10-02

Additional identifiers

CVE-2026-62314

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.