CVE-2026-25645 MEDIUM

CVE-2026-25645: Requests has Insecure Temp File Reuse in its extract_zipped_paths() utility function

Vendor Psf
Product requests
Weakness CWE-377
Published March 25, 2026
Last update March 25, 2026

CVSS base score

4.4/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction Required
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N

What the vulnerability does

01Description

Requests is a HTTP library. Prior to version 2.33.0, the `requests.utils.extract_zipped_paths()` utility function uses a predictable filename when extracting files from zip archives into the system temporary directory. If the target file already exists, it is reused without validation. A local attacker with write access to the temp directory could pre-create a malicious file that would be loaded in place of the legitimate one. Standard usage of the Requests library is not affected by this vulnerability. Only applications that call `extract_zipped_paths()` directly are impacted. Starting in version 2.33.0, the library extracts files to a non-deterministic location. If developers are unable to upgrade, they can set `TMPDIR` in their environment to a directory with restricted write access.

Key dates

02Disclosure timeline

March 25, 2026 CVE published
March 25, 2026 Record updated