CVE-2025-48865
Fabio allows HTTP clients to manipulate custom headers it adds in github.com/fabiolb/fabio
9.1
CRITICAL
CVSS 3.1
EPSS 0.17%
Description
Fabio allows HTTP clients to manipulate custom headers it adds in github.com/fabiolb/fabio
How to fix CVE-2025-48865
To remediate CVE-2025-48865, upgrade the affected package to a fixed version below.
- Go/github.com/fabiolb/fabio—upgrade to 1.6.6 or later
- Go/github.com/fabiolb/fabio—upgrade to 1.6.6 or later
Is CVE-2025-48865 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.6.6
- from 0, < 1.6.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |