#VU109823 Path traversal in Go programming language - CVE-2025-22873

Vulnerability identifier: #VU109823

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-22873

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Go programming language
Universal components / Libraries / Scripting languages

Vendor: Google

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in file names. A remote attacker can pass a specially crafted filename to the Root.Open() call, e.g. Root.Open("../") and open the parent directory of the Root.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Go programming language: 1.23.0, 1.23.1, 1.23.2, 1.23.3, 1.23.4, 1.23.5, 1.23.6, 1.23.7, 1.23.8, 1.24 rc1, 1.24 rc2, 1.24 rc.3, 1.24.0, 1.24.1, 1.24.2

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External links
https://github.com/Homebrew/homebrew-core/pull/222634
https://github.com/golang/go/issues/73555

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.