OpenFlagr versions prior to and including 1.1.18 contain an authentication bypass vulnerability in the HTTP middleware. Due to improper handling of path normalization in the whitelist logic, crafted requests can bypass authentication and access protected API endpoints without valid credentials. Unauthorized access may allow modification of feature flags and export of sensitive data.
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-rwp9-5g7q-73q3 OpenFlagr contains an authentication bypass vulnerability in the HTTP middleware
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 07 Jan 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 07 Jan 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Openflagr
Openflagr flagr
Vendors & Products Openflagr
Openflagr flagr

Wed, 07 Jan 2026 05:00:00 +0000

Type Values Removed Values Added
Description OpenFlagr versions prior to and including 1.1.18 contain an authentication bypass vulnerability in the HTTP middleware. Due to improper handling of path normalization in the whitelist logic, crafted requests can bypass authentication and access protected API endpoints without valid credentials. Unauthorized access may allow modification of feature flags and export of sensitive data.
Title OpenFlagr <= 1.1.18 Authentication Bypass via Prefix Whitelist Path Normalization
Weaknesses CWE-306
CWE-425
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-07T14:24:38.464Z

Reserved: 2026-01-06T17:17:34.850Z

Link: CVE-2026-0650

cve-icon Vulnrichment

Updated: 2026-01-07T14:24:20.966Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-07T12:17:07.727

Modified: 2026-01-08T18:08:54.147

Link: CVE-2026-0650

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-07T10:08:05Z

Weaknesses