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- 1CPython vulnerability EUVD-2026-89183 disclosed with moderate severityโผ๐จ EUVD-2026-89183 ๐ Score: 5.9/10 (CVSS v3.1) ๐ฆ Product: CPython ๐ข Vendor: Python Software Foundation ๐ Updated: 2026-09
A vulnerability tracked as EUVD-2026-89183 has been disclosed in CPython, the reference implementation of the Python language maintained by the Python Software Foundation. The flaw concerns cleanup of tempfile.TemporaryDirectory, where a race condition could let an attacker who can modify the directory tree during cleanup swap in a directory in place of the intended one. It is rated 5.9 out of 10 on the CVSS v3.1 scale, a moderate severity score.