CVE-2026-7774 | tarfile.data_filter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to cause tarfile.extractall() to write files outside the destination directory, subject to the permissions of the extracting process.
tarfile.data_filter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to cause tarfile.extractall() to write files outside the destination directory, subject to the permissions of the extracting process.
- 🔗 github.com/python/cpython/pull/149487
- 🔗 github.com/python/cpython/issues/149486
- 🔗 mail.python.org/archives/list/[email protected]…
- 🔗 github.com/python/cpython/commit/0478bd83d82b255e0f2…
- 🔗 github.com/python/cpython/commit/0d28f5e46e151718972…
- 🔗 github.com/python/cpython/commit/578411982c16f753f48…
- 🔗 github.com/python/cpython/commit/5cf47a248c35c375d61…
- 🔗 github.com/python/cpython/commit/74cca9a92fb7d653e40…
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CVE-2026-7774 | tarfile.data_filter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to cause tarfile.extractall() to write files outside the destination directory, subject to the permissions of the extracting process.
tarfile.data_filter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to ca