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🛡️ GHSA-jhmr-57cj-q6g9 — komari

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-287 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Komari vulnerable to 2FA Authentication Bypass

Summary

Logic error in 2FA verification condition allows bypass of two-factor authentication

Details

https://github.com/komari-monitor/komari/blob/bd5a6934e1b79a12cf1e6a9bba5372d0e04f3abc/api/login.go#L55

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

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. Rated impact: confidentiality high, integrity high, availability none.

Weakness class

GHSA-jhmr-57cj-q6g9 is classified as CWE-287: Improper Authentication. The identity of the caller is not established correctly, so an attacker can act as another user.

Affected software

GHSA-jhmr-57cj-q6g9 is recorded against 1 package.

  • github.com/komari-monitor/komari

Timeline and source

Published on 12 August 2025 and last revised on 18 August 2025. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

github.com (Web)
github.com (Web)
github.com (Package)
github.com (Web)
github.com (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector 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
CWE CWE-287
Public Exploit ✅ No
Source OSV
Published 2025-08-12
Updated 2026-08-20
Modified 2025-08-18
Fix URL N/A

Affected Packages

Software From version Fixed in
github.com/komari-monitor/komari — —

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.