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CVE-2026-27139

LOW

2.5

Description

On Unix platforms, when listing the contents of a directory using File.ReadDir or File.Readdir the returned FileInfo could reference a file outside of the Root in which the File was opened. The impact of this escape is limited to reading metadata provided by lstat from arbitrary locations on the filesystem without permitting reading or writing files outside the root.

CVE Details

CVSS v3.1 Score2.5

SeverityLOW

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

Attack VectorLOCAL

ComplexityHIGH

Privileges RequiredLOW

User InteractionNONE

Published3/6/2026

Last Modified3/9/2026

Sourcenvd

Honeypot Sightings0

References

https://go.dev/cl/749480(security@golang.org)

https://go.dev/issue/77827(security@golang.org)

https://groups.google.com/g/golang-announce/c/EdhZqrQ98hk(security@golang.org)

https://pkg.go.dev/vuln/GO-2026-4602(security@golang.org)

IOC Correlations

No correlations recorded

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