CVE-2026-82049
Severity not reportedData quality: awaiting analysis.
NVD has not completed analysis, so CVSS and affected-product data may be missing or change.
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.
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.
CVSS
—
Awaiting analysis by NVD
Timeline (UTC)
Published: 2026-09-14 19:17
Modified: 2026-10-11 01:16
NVD status: Awaiting Analysis
Last synced 2 days ago
Verified against the source API 2026-10-27 06:53 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/python/cpython/commit/197663d63afed27f66e10e23c194e8a634e60913 cna@python.org
- https://github.com/python/cpython/commit/28f315486b3da0352b9a1de1c3c97f4127ba4771 cna@python.org
- https://github.com/python/cpython/commit/5a57248b22ad3b9aafcaaadae2c304a1923daeca cna@python.org
- https://github.com/python/cpython/commit/b38be2e6cf9d989075ab73412c63e003ebad4ff3 cna@python.org
- https://github.com/python/cpython/commit/b8f23e307097552eaea2604383a12ab280520d0d cna@python.org
- https://github.com/python/cpython/commit/c66df4e70435d257fd488b35ea129c6f317433a8 cna@python.org
- https://github.com/python/cpython/commit/cc1689830c6b9aaddded2fb9f2fe8116867e2c0e cna@python.org
- https://github.com/python/cpython/commit/cccc7ec30212dba2abef53ce4a2bed112ddb690c cna@python.org
- https://github.com/python/cpython/issues/157190 cna@python.org
- https://github.com/python/cpython/pull/157191 cna@python.org
- https://mail.python.org/archives/list/security-announce@python.org/thread/EFJWGAZJA56AKSBR... cna@python.org
- http://www.openwall.com/lists/oss-security/2026/09/14/27 af854a3a-2127-422b-91ae-364da2661108
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:53 UTC · record ↗