GHSA-jhmr-57cj-q6g9
Komari vulnerable to 2FA Authentication Bypass
GHSA-jhmr-57cj-q6g9 is a high vulnerability (CVSS 8.5) in github.com/komari-monitor/komari, published August 12, 2025. No source lists public exploit code. Fixed in github.com/komari-monitor/komari 0.0.0-20250809064056-cc3d54bff4c6.
- Severity
- 8.5 HighCVSS 4.0, GitHub Advisories
- Exploit chance
- UnscoredNo EPSS score yet
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
0.0.0-20250809064056-cc3d54bff4c6github.com/komari-monitor/komari
Description
Summary
Logic error in 2FA verification condition allows bypass of two-factor authentication
Details
There is no way for Verify2Fa to return an error AND true as ok at the same time, any codes are considered as valid.
PoC
Use any 6 digits as 2FA code
Impact
Bypass 2FA Authentication
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/komari-monitor/komariGo | before 0.0.0-20250809064056-cc3d54bff4c6 | 0.0.0-20250809064056-cc3d54bff4c6 |
What each source reports
GitHub Advisories Score used 8.5
Komari vulnerable to 2FA Authentication Bypass
Summary
Logic error in 2FA verification condition allows bypass of two-factor authentication
Details
There is no way for Verify2Fa to return an error AND true as ok at the same time, any codes are considered as valid.
PoC
Use any 6 digits as 2FA code
Impact
Bypass 2FA Authentication
- Record
GHSA-jhmr-57cj-q6g9- CVSS 4.0
- 8.5 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-287
- Updated
- 2026-11-02
OSV 8.5
Komari vulnerable to 2FA Authentication Bypass
Summary
Logic error in 2FA verification condition allows bypass of two-factor authentication
Details
There is no way for Verify2Fa to return an error AND true as ok at the same time, any codes are considered as valid.
PoC
Use any 6 digits as 2FA code
Impact
Bypass 2FA Authentication
- Record
GHSA-jhmr-57cj-q6g9- CVSS 4.0
- 8.5 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-287
- Updated
- 2026-11-02
OSVGO-2025-3873No score
Komari vulnerable to 2FA Authentication Bypass in github.com/komari-monitor/komari
Komari vulnerable to 2FA Authentication Bypass in github.com/komari-monitor/komari
- Record
GO-2025-3873- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
github.com/komari-monitor/komari/security/advisories/GHSA-jhmr-57cj-q6g9
github.com/komari-monitor/komari/commit/cc3d54bff4c6495beaa1c7483379cd04542c557f
github.com/komari-monitor/komari/blob/bd5a6934e1b79a12cf1e6a9bba5372d0e04f3abc/api/login.go
github.com/komari-monitor/komari/releases/tag/1.0.4-fix1
github.com/advisories/GHSA-jhmr-57cj-q6g9
github.com/komari-monitor/komari