CVE-2026-3087

Public on 2026-04-27

Modified on 2026-04-30

Description

If `shutil.unpack_archive()` is given a ZIP archive with an absolute Windows path containing a drive (`C:\\...`) then the archive will be extracted outside the target directory which is different than other operating systems. Only Windows is affected by this vulnerability.

Severity

Medium

See what this means

CVSS v3 Base Score

5.5

See breakdown

Affected Packages

Platform	Package	Status
Amazon Linux 2 - Core	python	Not Affected
Amazon Linux 2 - Core	python3	Not Affected
Amazon Linux 2023	python3.11	Not Affected
Amazon Linux 2023	python3.12	Not Affected
Amazon Linux 2023	python3.13	Not Affected
Amazon Linux 2023	python3.14	Not Affected

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-3087 Mitre: CVE-2026-3087