CVE-2026-12345: Race condition in tempfile.TemporaryDirectory cleanup allows deleting files outside the temporary directory

Overview

Severity

N/A

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-10-03

EPSS Score

0.18% (percentile: 6.8%)

Affected Products (1)

Other

• 21021-17084

Revision History

• 2026-10-03: Information published.