CVE-2026-61371

State: Published
Severity: 7.5 High
Published: Jul 15, 2026
Updated: Jul 15, 2026
Reserved: Jul 8, 2026

Description

Microsoft AVML before 0.17.0 could follow a symlink when opening a destination output path on Unix, allowing truncation/overwrite of the symlink target. The destructive effect is performed at open-time via O_TRUNC, and can happen before full input validation completes (“truncation-before-validation”).

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	CISA-ADP

Weaknesses

CWE-59 Improper Link Resolution Before File Access ('Link Following')

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/microsoft/avml/pull/754
https://github.com/microsoft/avml/releases/tag/v0.17.0
https://gist.github.com/thesmartshadow/2d099071f847de8db3dc4bbaf4dfa6df

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.