Anubis: Policy bypass via client controlled X-Original-URI header

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Summary

CVECVE-2026-62314
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-15 22:17:38 UTC
Updated2026-07-15 22:17:38 UTC
DescriptionAnubis is a Web AI Firewall Utility that challenges users' connections in order to protect upstream resources from scraper bots. From 1.22.0 until 1.26.0-pre1, lib/policy/checker.go PathChecker.Check() trusted the client-controlled X-Original-URI header before matching r.URL.Path, allowing an HTTP client to match default data/common/keep-internet-working.yaml ALLOW rules such as ^/\.well-known/.*$ and bypass the Anubis challenge. This issue is fixed in version 1.26.0-pre1.

Risk And Classification

Primary CVSS: v3.1 5.8 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

Problem Types: CWE-284 | CWE-284 CWE-284: Improper Access Control

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.8MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
3.1CNADECLARED5.8MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA TecharoHQ Anubis affected >= 1.22.0, < 1.26.0-pre1 Not specified

References

ReferenceSourceLinkTags
github.com/TecharoHQ/anubis/security/advisories/GHSA-6wcg-mqvh-fcvg [email protected] github.com
github.com/TecharoHQ/anubis/pull/1630 [email protected] github.com
github.com/TecharoHQ/anubis/commit/276b537776b281b1c4e01421435bc03ade3d8fc4 [email protected] github.com
github.com/TecharoHQ/anubis/releases/tag/v1.26.0-pre1 [email protected] github.com
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