[3.11] gh-146581: Fix vulnerability in shutil.unpack_archive() for ZIP files on Windows (GH-146591) - #149071
Merged
pablogsal merged 1 commit intoAug 9, 2026
Conversation
Copy link
Copy Markdown
Member
Sorry, something went wrong.
… files on Windows (pythonGH-146591) Use ZipFile.extractall() to sanitize file names and extract files. Files with invalid names (e.g. absolute paths) are now skipped. Files containing ".." in the name are no longer skipped. (cherry picked from commit fc829e8)
Copy link
Copy Markdown
Member
Author
|
Ping. Merging this PR is needed for backport to 3.10. |
Sorry, something went wrong.
Copy link
Copy Markdown
|
Thanks @serhiy-storchaka for the PR, and @pablogsal for merging it 🌮🎉.. I'm working now to backport this PR to: 3.10. |
Sorry, something went wrong.
Copy link
Copy Markdown
|
GH-155440 is a backport of this pull request to the 3.10 branch. |
Sorry, something went wrong.
pablogsal
pushed a commit
that referenced
this pull request
Aug 10, 2026
…P files on Windows (GH-146591) (GH-149071) (#155440) [3.11] gh-146581: Fix vulnerability in shutil.unpack_archive() for ZIP files on Windows (GH-146591) (GH-149071) gh-146581: Fix vulnerability in shutil.unpack_archive() for ZIP files on Windows (GH-146591) Use ZipFile.extractall() to sanitize file names and extract files. Files with invalid names (e.g. absolute paths) are now skipped. Files containing ".." in the name are no longer skipped. (cherry picked from commit 7ef7dd0) (cherry picked from commit fc829e8) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Use ZipFile.extractall() to sanitize file names and extract files.
Files with invalid names (e.g. absolute paths) are now skipped.
Files containing ".." in the name are no longer skipped.
(cherry picked from commit fc829e8)