CVE-2026-109595

Hugo versions v0.84.0 before v0.167.0 are vulnerable to a path traversal vulnerability. The issue resides in the ESBuild fallback resolver used by the js.Build , js.Batch , and css.Build functions. This allows malicious themes or modules to use relative imports or symlinks to read files outside t...

CVE-2026-109595 Hugo v0.84.0 before v0.167.0 Path Traversal via js.Build ESBuild Resolver

Hugo from v0.84.0 before v0.167.0 contains a path traversal vulnerability that allows malicious themes or modules to read files outside the project root via ESBuild's fallback resolver in js.Build, js.Batch, and css.Build. Attackers can ship relative imports or symlinks pointing outside the proje...