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.
References
| Link | Resource |
|---|---|
| https://go.dev/cl/670036 | Patch Product |
| https://go.dev/issue/73555 | Issue Tracking Vendor Advisory |
| https://groups.google.com/g/golang-announce/c/UZoIkUT367A/m/5WDxKizJAQAJ | Mailing List Release Notes |
| https://pkg.go.dev/vuln/GO-2026-4403 | Vendor Advisory Issue Tracking |
| http://www.openwall.com/lists/oss-security/2025/05/06/2 | Mailing List Third Party Advisory |
Configurations
History
10 Feb 2026, 15:16
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Golang go
Golang |
|
| CPE | cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* | |
| References | () https://go.dev/cl/670036 - Patch, Product | |
| References | () https://go.dev/issue/73555 - Issue Tracking, Vendor Advisory | |
| References | () https://groups.google.com/g/golang-announce/c/UZoIkUT367A/m/5WDxKizJAQAJ - Mailing List, Release Notes | |
| References | () https://pkg.go.dev/vuln/GO-2026-4403 - Vendor Advisory, Issue Tracking | |
| References | () http://www.openwall.com/lists/oss-security/2025/05/06/2 - Mailing List, Third Party Advisory |
05 Feb 2026, 15:16
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-23 | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 3.8 |
04 Feb 2026, 23:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-02-04 23:15
Updated : 2026-02-10 15:16
NVD link : CVE-2025-22873
Mitre link : CVE-2025-22873
CVE.ORG link : CVE-2025-22873
JSON object : View
Products Affected
golang
- go
CWE
CWE-23
Relative Path Traversal