Auth bypass in Openflagr Flagr
CVE-2026-0650
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.
Vulnerability class: Broken Authentication
EPSS: 0.004 (36.0th percentile) — read the EPSS interpretation.
Affected products
- Openflagr Flagr — versions 0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (release-notes, patch)
- disclosure@vulncheck.com (technical-description, exploit)
- disclosure@vulncheck.com (third-party-advisory)