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Authentication Bypass Affecting gatus-fips package, versions <5.36.0-r6

Severity

 Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.46% (39th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-GATUSFIPS-18573318
  • published7 Aug 2026
  • disclosed8 Jul 2026
Report a new vulnerability Found a mistake?

Introduced: 8 Jul 2026

CVE-2026-45045  (opens in a new tab)
CWE-290  (opens in a new tab)

How to fix?

Upgrade Minimos:latest gatus-fips to version 5.36.0-r6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gatus-fips package and not the gatus-fips package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

Fiber is an Express inspired web framework written in Go. Prior to 3.3.0 and 2.52.14, the BalancerForward proxy helper in middleware/proxy/proxy.go uses Header.Add() instead of Header.Set() when injecting X-Real-IP, allowing an attacker-supplied first X-Real-IP value to be forwarded to upstream servers for logging, rate limiting, and access control. This issue is fixed in version 3.3.0 and 2.52.14.