CVE-2025-54956 Information disclosure in gh

Low 3.2 Published Updated

The R gh library leaks Authorization headers in HTTP responses, allowing attackers to potentially access sensitive credentials.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2025-54956?

CVE-2025-54956 is a low-severity vulnerability in r-lib gh, published on 3 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-669

Which versions are affected by CVE-2025-54956?

1 open source package ship an affected version, including gh.

PackageAffectedFixed in
gh CRANFrom 1.1.01.5.0

How do I fix CVE-2025-54956?

Upgrade gh to 1.5.0 or later.

Is CVE-2025-54956 being exploited?

There is no known exploitation of CVE-2025-54956 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2025-54956, DLA-4378-1, GHSA-gfw5-r5r2-fv73, RSEC-2025-0, UBUNTU-CVE-2025-54956.

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