cli go-gh up to 2.12.0 Browse.Browse trust boundary violation

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in cli go-gh up to 2.12.0. It has been classified as critical. This issue affects the function Browse.Browse. The manipulation leads to trust boundary violation. This vulnerability is documented as CVE-2025-48938. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in cli go-gh up to 2.12.0 and classified as critical. This issue affects the function Browse.Browse. The manipulation with an unknown input leads to a trust boundary violation vulnerability. Using CWE to declare the problem leads to CWE-501. The product mixes trusted and untrusted data in the same data structure or structured message. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

go-gh is a collection of Go modules to make authoring GitHub CLI extensions easier. A security vulnerability has been identified in versions prior to 2.12.1 where an attacker-controlled GitHub Enterprise Server could result in executing arbitrary commands on a user's machine by replacing HTTP URLs provided by GitHub with local file paths for browsing. In `2.12.1`, `Browser.Browse()` has been enhanced to allow and disallow a variety of scenarios to avoid opening or executing files on the filesystem without unduly impacting HTTP URLs. No known workarounds are available other than upgrading.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2025-48938 since 05/28/2025. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 238374 (Fedora 42 : gh (2025-82ac5e4065)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.12.1 eliminates this vulnerability. Applying the patch a08820a13f257d6c5b4cb86d37db559ec6d14577 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (238374). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Trust boundary violation
CWE: CWE-501
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 238374
Nessus Name: Fedora 42 : gh (2025-82ac5e4065)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: go-gh 2.12.1
Patch: a08820a13f257d6c5b4cb86d37db559ec6d14577

Timelineinfo

05/28/2025 🔍
05/30/2025 +2 days 🔍
05/30/2025 +0 days 🔍
10/16/2025 +139 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-g9f5-x53j-h563
Status: Confirmed

CVE: CVE-2025-48938 (🔍)
GCVE (CVE): GCVE-0-2025-48938
GCVE (VulDB): GCVE-100-310721

Entryinfo

Created: 05/30/2025 22:43
Updated: 10/16/2025 04:34
Changes: 05/30/2025 22:43 (70), 05/31/2025 07:19 (1), 06/02/2025 21:28 (1), 06/13/2025 10:26 (2), 10/16/2025 04:34 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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