CVE-2026-50135 Hugo: Symlink confinement bypass in resources.Get

Hugo is a static site generator. From 0.123.0 to 0.161.1, a regression made RootMappingFs.statRoot use Stat follows symlinks instead of Lstat , so a direct resources.Get of a symlink pointing outside its mount returned the target's contents — letting a symlink planted in a local mount e.g. a...

CVE-2026-50135

Summary: Hugo up to v0.161.1 is affected by a symlink confinement bypass in the virtual filesystem used by Hugo’s resources.Get. Root cause: A regression in RootMappingFs.statRoot caused it to call Stat (which follows symlinks) instead of Lstat, allowing a symlink inside a mounted directory (e.g....

Symlink Attack

Overview Affected versions of this package are vulnerable to Symlink Attack via the os.ReadFile function during direct lookups via resources.Get. An attacker can access arbitrary files outside the intended directory by placing a symlink inside a mounted directory that points to files outside the...

Hugo: Symlink confinement bypass in resources.Get

Commit: f8b5fa09a6 — Fix prevention of direct symlink reads in resources.Get Affected versions: v0.123.0 through v0.161.1. Earlier versions are not affected. Fixed in: v0.162.0. Severity: Medium. Requires the attacker to be able to place or convince a site author to place a symlink inside a mount...

GHSA-FW87-FV5R-9FPW Hugo: Symlink confinement bypass in resources.Get

Commit: f8b5fa09a6 — Fix prevention of direct symlink reads in resources.Get Affected versions: v0.123.0 through v0.161.1. Earlier versions are not affected. Fixed in: v0.162.0. Severity: Medium. Requires the attacker to be able to place or convince a site author to place a symlink inside a mount...

PT-2026-50158

Name of the Vulnerable Software and Affected Versions Hugo versions 0.123.0 through 0.161.1 Description A regression in the virtual filesystem allows a symlink confinement bypass. The RootMappingFs.statRoot function calls Stat, which follows symlinks, instead of Lstat. This allows a direct lookup...