VDB
CVE-2026-0650
CVE-2026-0650
PUBLISHED
CVSS 9.300000190734863 CRITICAL
OpenFlagr contains an authentication bypass vulnerability in the HTTP middleware
EPSS 1.54% · 74.0th percentile
Risk Scores
CVSS 4.0
9.300000190734863
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
EPSS Score
1.54%
74.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| OpenFlagr | Flagr | 0 |
| github.com | openflagr/flagr | 0 |
Timeline
- Jan 7, 2026 CVE Published
- Jan 7, 2026 EPSS Score
- Jan 7, 2026 PoC Published
- Jan 11, 2026 EPSS Score
- Jan 15, 2026 EPSS Score
- Jan 18, 2026 EPSS Score
- Jan 22, 2026 EPSS Score
- Jan 26, 2026 EPSS Score
- Jan 30, 2026 EPSS Score
- Feb 3, 2026 EPSS Score
- Feb 7, 2026 EPSS Score
- Feb 10, 2026 EPSS Score
References
- https://github.com/openflagr/flagr/releases/tag/1.1.19 fix
- https://github.com/openflagr/flagr/commit/fe83dc87aa404a57554aa5839ac450f55c203570 fix
- https://dreyand.rs/code%20review/golang/2026/01/03/0day-speedrun-openflagr-less-1118-authentication-bypass exploit
- https://www.vulncheck.com/advisories/openflagr-authentication-bypass-via-prefix-whitelist-path-normalization third-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-0650 advisory
- https://github.com/openflagr/flagr package