CVE-2026-48126
Algernon: Host header path traversal in --domain mode reads files and runs Lua from parent dir in github.com/xyproto/algernon
8.2
HIGH
CVSS 3.1
EPSS 0.34%
Description
Algernon: Host header path traversal in --domain mode reads files and runs Lua from parent dir in github.com/xyproto/algernon
How to fix CVE-2026-48126
To remediate CVE-2026-48126, upgrade the affected package to a fixed version below.
- Go/github.com/xyproto/algernon—upgrade to 1.17.8 or later
- —upgrade to 1.17.8 or later
Is CVE-2026-48126 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.17.8
- from 0, < 1.17.8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N |