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.
Metrics
Affected Vendors & Products
References
History
Wed, 11 Feb 2026 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-22 | |
| References |
| |
| Metrics |
threat_severity
|
threat_severity
|
Tue, 10 Feb 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Golang
Golang go |
|
| CPEs | cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Golang
Golang go |
Thu, 05 Feb 2026 15:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-23 | |
| Metrics |
cvssV3_1
|
Thu, 05 Feb 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Go Standard Library
Go Standard Library os |
|
| Vendors & Products |
Go Standard Library
Go Standard Library os |
Wed, 04 Feb 2026 23:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Wed, 04 Feb 2026 23:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Improper access to parent directory of root in os | |
| References |
|
Status: PUBLISHED
Assigner: Go
Published: 2026-02-04T23:05:24.803Z
Updated: 2026-02-05T15:03:55.451Z
Reserved: 2025-01-08T19:11:42.835Z
Link: CVE-2025-22873
Updated: 2026-02-04T23:08:02.625Z
Status : Analyzed
Published: 2026-02-04T23:15:54.220
Modified: 2026-02-10T15:16:40.057
Link: CVE-2025-22873
ReportizFlow