CVE-2026-82049

Public on 2026-09-14
Modified on 2026-09-15
Description
In CPython 3.13 and earlier, the tarfile module's data and tar extraction filters are vulnerable to crafted archives containing a hard link to a symbolic link. Such archives may cause extraction to modify the permissions or modification time of a file outside the destination directory, or expose the contents of that file within the extracted tree.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
6.1
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core python Pending Fix
Amazon Linux 2 - Core python3 Pending Fix
Amazon Linux 2023 python3.11 Pending Fix
Amazon Linux 2023 python3.12 Pending Fix
Amazon Linux 2023 python3.13 Pending Fix
Amazon Linux 2023 python3.14 Pending Fix
Amazon Linux 2027 Preview python3.14 Pending Fix
Amazon Linux 2023 python3.9 Pending Fix
Amazon Linux 2 - Python3.8 Extra python38 No Fix Planned

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N