r-lib gh up to 1.4.x Header Authorization resource transfer

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
2.8	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in r-lib gh up to 1.4.x. This impacts an unknown function of the component Header Handler. The manipulation of the argument Authorization leads to resource transfer. This vulnerability is referenced as CVE-2025-54956. The attack can only be performed from a local environment. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in r-lib gh up to 1.4.x. It has been rated as problematic. This issue affects some unknown functionality of the component Header Handler. The manipulation of the argument Authorization with an unknown input leads to a resource transfer vulnerability. Using CWE to declare the problem leads to CWE-669. The product does not properly transfer a resource/behavior to another sphere, or improperly imports a resource/behavior from another sphere, in a manner that provides unintended control over that resource. Impacted is confidentiality. The summary by CVE is:

The gh package before 1.5.0 for R delivers an HTTP response in a data structure that includes the Authorization header from the corresponding HTTP request.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-54956 since 08/03/2025. The exploitation is known to be difficult. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 276691 (Debian dla-4378 : r-cran-gh - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.5.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch b575d488c71318449cc6c8c989c617db29275848 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 databases at Tenable (276691) and EUVD (EUVD-2025-23481). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

r-lib

Name

Version

License

open-source

Website

Product: https://github.com/r-lib/gh/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.8
VulDB Meta Temp Score: 2.8

VulDB Base Score: 2.5
VulDB Temp Score: 2.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.2
CNA Vector (MITRE): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource transfer
CWE: CWE-669
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 276691
Nessus Name: Debian dla-4378 : r-cran-gh - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: gh 1.5.0
Patch: b575d488c71318449cc6c8c989c617db29275848

Timelineinfo

08/03/2025 Advisory disclosed
08/03/2025 +0 days CVE reserved
08/03/2025 +0 days VulDB entry created
11/25/2025 +114 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 222
Status: Confirmed

CVE: CVE-2025-54956 (🔒)
GCVE (CVE): GCVE-0-2025-54956
GCVE (VulDB): GCVE-100-318635
EUVD: 🔒

Entryinfo

Created: 08/03/2025 21:52
Updated: 11/25/2025 13:23
Changes: 08/03/2025 21:52 (68), 08/03/2025 22:34 (1), 11/25/2025 10:26 (1), 11/25/2025 13:23 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.