Arbitrary file upload in Python
CVE-2025-13462
The "tarfile" module would still apply normalization of AREGTYPE (\x00) blocks to DIRTYPE, even while processing a multi-block member such as GNUTYPE_LONGNAME or GNUTYPE_LONGLINK. This could result in a crafted tar archive being misinterpr…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.000 (6.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Python — versions 3.15.0
- Python Software Foundation Cpython — versions 0, 3.14.0, 3.15.0a1
Weakness classification (CWE)
References
- cna@python.org (Patch, patch, Issue Tracking)
- cna@python.org (issue-tracking, Issue Tracking)
- cna@python.org (vendor-advisory, Mailing List, Vendor Advisory)
- cna@python.org (Patch, patch)
- cna@python.org (Patch, patch)
- cna@python.org (Patch, patch)
- cna@python.org (Patch, patch)
- cna@python.org (Patch, patch)
- cna@python.org (Patch, patch)
Frequently asked questions
- What is CVE-2025-13462?
- CVE-2025-13462 is a critical-severity vulnerability in Python, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2026-03-12.
- How severe is CVE-2025-13462?
- Critical severity. CVSS v3 base score is 9.8 out of 10.