AIKIDO-2026-11085
dulwich is vulnerable to Path Traversal
81
High Risk
This Affects:
dulwichTL;DR
Several dulwich work-tree update paths did not fully enforce core.protectNTFS and core.protectHFS, so a crafted branch merged or pulled via update_working_tree could still materialize NTFS-unsafe names such as git~2 even after the 1.2.5 hardening reached only checkout and reset. Untrusted patch headers processed by apply_patches (for example during git am) could also carry +++ or rename targets with .. or absolute paths that were joined onto the repository root and written outside the working tree. The fix derives the configured path validator for all work-tree updates, rejects out-of-tree patch targets, and adds defense-in-depth validation in checkout, restore, and reset_file.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
dulwich is vulnerable to Path Traversal in versions 1.2.0 - 1.2.5.
How to fix this
Upgrade the dulwich library to the patch version.
Are You Affected?
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ISO 27001CompliantISO 42001Compliant
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