Improper access control in GitHub CLI - CVE-2026-72924
Published: August 21, 2026
Vulnerability identifier: #VU144563
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-72924
CWE-ID: CWE-284
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to access a forwarded service and disclose sensitive information.
The vulnerability exists due to improper access control in the `gh codespace ports forward` local TCP listener when creating a forwarded port listener bound to all network interfaces by default. A remote user can connect to the exposed non-loopback listener to access a forwarded service and disclose sensitive information.
Exploitation requires the victim to be actively forwarding a port and the attacker to be able to route traffic to the victim\'s machine.
Affected software
GitHub CLI
How to mitigate CVE-2026-72924
Install security update from vendor's website.
GitHub CLI - update to 2.98.0