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CVE-2026-0650GO-2026-4286GHSA-RWP9-5G7Q-73Q3

OpenFlagr <= 1.1.18 Authentication Bypass via Prefix Whitelist Path Normalization

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 0.0.0-20251009103504-fe83dc87aa40
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: yes
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: yes · Technical impact: total

  3. Record last updated

Affected versions

  • OpenFlagr Flagr

    through 1.1.18

  • github.com/openflagr/flagrGo

    fixed in 0.0.0-20251009103504-fe83dc87aa40

References 3

GitHub · openflagr/flagr

dreyand.rs

vulncheck.com