CVE-2025-48938: go-gh is a collection of Go modules to make authoring GitHub CLI extensions easier

Q: How do I fix CVE-2025-48938?

go-gh: upgrade to 2.12.1. Exact commands for each OS are on this page.

Q: Is CVE-2025-48938 being exploited?

CVE-2025-48938 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-48938 affect?

CVE-2025-48938 affects go-gh. Severity is critical (CVSS 9.8). 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 arb

Q: How urgent is CVE-2025-48938?

Priority 51/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2025-48938 is a critical-severity flaw (CVSS 9.8) affecting go-gh. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 t

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-501
Published	2025-05-30
Last modified	2026-08-17

Publisher (CNA): GitHub, Inc. · Vendor: cli

Last updated 2026-08-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-05-30 19:15 UTCPublished CVE record published
2026-08-17 12:05 UTCUpdated Record last modified

cli go-gh UPGRADE

Affected: < 2.12.1

Fixed in: 2.12.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy go-gh || rpm -q go-gh || go-gh --version

2. UPGRADE to 2.12.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade go-gh

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade go-gh

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-48938?

go-gh: upgrade to 2.12.1. Exact commands for each OS are on this page.

Is CVE-2025-48938 being exploited?

CVE-2025-48938 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-48938 affect?

CVE-2025-48938 affects go-gh. Severity is critical (CVSS 9.8). 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 arb

How urgent is CVE-2025-48938?

Priority 51/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

GitHub vulnerabilities

Related CVEs

CVE-2024-53859 MEDIUM 6.5 UPGRADE go-gh is a Go module for interacting with the `gh` utility and the GitHub API from the command line

References

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