CVE-2025-22873

Feb. 5, 2026, 3:16 p.m.

3.8
Low

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.

Product(s) Impacted

Vendor Product Versions
Golang
  • Golang
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-23
Relative Path Traversal
The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a golang golang / / / / / / / /

References

https://go.dev/cl/670036
https://go.dev/issue/73555
https://groups.google.com/g/golang-announce/c/UZoIkUT367A/m/5WDxKizJAQAJ
https://pkg.go.dev/vuln/GO-2026-4403
http://www.openwall.com/lists/oss-security/2025/05/06/2

Tags

[email protected]
CWE-23
2026-02-04
CVE-2025-22873

CVSS Score

3.8 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: CHANGED
  • Confidentiality Impact: LOW
  • Integrity Impact: NONE
  • Availability Impact: NONE

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

    View Vector String

Timeline

Published: Feb. 4, 2026, 11:15 p.m.
Last Modified: Feb. 5, 2026, 3:16 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.