CVE-2026-61371 - Vulnerability Details - OpenCVE

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”).

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

Wed, 15 Jul 2026 20:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-59
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 15 Jul 2026 16:00:00 +0000

Type	Values Removed	Values Added
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”).
References		https://gist.github.com/thesmartshadow/2d099071f847de8db3dc4bbaf4dfa6df https://github.com/microsoft/avml/pull/754 https://github.com/microsoft/avml/releases/tag/v0.17.0

Projects

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MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-07-15T00:00:00.000Z

Updated: 2026-07-15T19:26:26.306Z

Reserved: 2026-07-08T00:00:00.000Z

Link: CVE-2026-61371

Vulnrichment

Updated: 2026-07-15T19:26:18.993Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

No weakness.

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