CVE-2026-61371 | THREATINT

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”).

PUBLISHED Reserved 2026-07-08 | Published 2026-07-15 | Updated 2026-07-15 | Assigner mitre

References

github.com/microsoft/avml/pull/754

github.com/microsoft/avml/releases/tag/v0.17.0

gist.github.com/...rtshadow/2d099071f847de8db3dc4bbaf4dfa6df

cve.org (CVE-2026-61371)

nvd.nist.gov (CVE-2026-61371)

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