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CVE-2025-22873

LOW

3.8

Description

It was possible to improperly access the parent directory of an os.Root by opening a filename ending in "../". For example, Root.Open("../") would open the parent directory of the Root. This escape only permits opening the parent directory itself, not ancestors of the parent or files contained within the parent.

CVE Details

CVSS v3.1 Score3.8

SeverityLOW

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published2/4/2026

Last Modified2/10/2026

Sourcenvd

Honeypot Sightings0

Affected Products

golang:go

Weaknesses (CWE)

CWE-23

References

https://go.dev/cl/670036(security@golang.org)

https://go.dev/issue/73555(security@golang.org)

https://groups.google.com/g/golang-announce/c/UZoIkUT367A/m/5WDxKizJAQAJ(security@golang.org)

https://pkg.go.dev/vuln/GO-2026-4403(security@golang.org)

http://www.openwall.com/lists/oss-security/2025/05/06/2(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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