CVE-2026-12345
mediumPriorität · verfolgen · 10EPSS 0.002 · 7. PerzentilExploit · PoCDEUSEPSS · bewertet 2026-10-22
The cleanup of tempfile.TemporaryDirectory is vulnerable to a race condition. An attacker who can modify the tree during cleanup can replace a directory with a symbolic link, causing files outside of the temporary directory to be deleted or have their permissions and file flags reset, with the privileges of the process performing the cleanup. Note that platforms where shutil.rmtree.avoids_symlink_attacks is false, remain affected, and file flags may still be reset outside of the tree on all platforms.
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen
SSVC
Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
Exploits (1)
Öffentlicher Proof-of-Concept- und Exploit-Code.
betroffene Produkte (6)
Betroffene Produkte und Versionsbereiche.
Advisories (5)
Hersteller- und Ökosystem-Meldungen dazu.
- WID-SEC-W-2026-3656CPython: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen und Manipulation von DateienDeutsch2026-09-29csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in CPython ausnutzen, um Sicherheitsvorkehrungen zu umgehen und um Dateien zu manipulieren.
- BIT-libpython-2026-12345Race condition in tempfile.TemporaryDirectory cleanup allows deleting files outside the temporary directory2026-10-05vendor · osvUS
The cleanup of tempfile.TemporaryDirectory is vulnerable to a race condition. An attacker who can modify the tree during cleanup can replace a directory with a symbolic link, causing files outside of the temporary directory to be deleted or have their permissions and file flags reset, with the privileges of the process performing the cleanup. Note that platforms where shutil.rmtree.avoids_symlink_attacks is false, remain affected, and file flags may still be reset outside of the tree on all platforms.
- BIT-python-2026-12345Race condition in tempfile.TemporaryDirectory cleanup allows deleting files outside the temporary directory2026-10-05vendor · osvUS
The cleanup of tempfile.TemporaryDirectory is vulnerable to a race condition. An attacker who can modify the tree during cleanup can replace a directory with a symbolic link, causing files outside of the temporary directory to be deleted or have their permissions and file flags reset, with the privileges of the process performing the cleanup. Note that platforms where shutil.rmtree.avoids_symlink_attacks is false, remain affected, and file flags may still be reset outside of the tree on all platforms.
- BIT-python-min-2026-12345Race condition in tempfile.TemporaryDirectory cleanup allows deleting files outside the temporary directory2026-10-05vendor · osvUS
The cleanup of tempfile.TemporaryDirectory is vulnerable to a race condition. An attacker who can modify the tree during cleanup can replace a directory with a symbolic link, causing files outside of the temporary directory to be deleted or have their permissions and file flags reset, with the privileges of the process performing the cleanup. Note that platforms where shutil.rmtree.avoids_symlink_attacks is false, remain affected, and file flags may still be reset outside of the tree on all platforms.
- PSF-2026-422026-09-29vendor · osvUS
The cleanup of tempfile.TemporaryDirectory is vulnerable to a race condition. An attacker who can modify the tree during cleanup can replace a directory with a symbolic link, causing files outside of the temporary directory to be deleted or have their permissions and file flags reset, with the privileges of the process performing the cleanup. Note that platforms where shutil.rmtree.avoids_symlink_attacks is false, remain affected, and file flags may still be reset outside of the tree on all platforms.
auch bekannt als (4)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (8) nvd
Externe Belege — Patches, Meldungen, Analysen.
- http://www.openwall.com/lists/oss-security/2026/09/29/40
- https://github.com/python/cpython/commit/06ef3d43fdaf4da97af12fa694b4886092c4b970
- https://github.com/python/cpython/commit/458e7134a5af7f86aee9d21b51cf499b41aa4420
- https://github.com/python/cpython/commit/58ed0259cae509a19138795df302fe60b544dc74
- https://github.com/python/cpython/commit/5c20517a4fc56683efe63a7751020db9573f538d
- https://github.com/python/cpython/commit/e1f3590f155c6d66007e958c98c9d69316551993
- https://github.com/python/cpython/issues/157579
- https://github.com/python/cpython/pull/157580
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