Improper Verification of Cryptographic Signature in Go implementation of The Update Framework (TUF) - CVE-2026-23992
Published: January 23, 2026
Vulnerability identifier: #VU121962
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-23992
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper validation of configured threshold for delegations. A remote attacker can cause unathorized modification to TUF metadata files.
Affected software
Go implementation of The Update Framework (TUF)
How to mitigate CVE-2026-23992
Install updates from vendor's website.
Go implementation of The Update Framework (TUF) - update to 2.3.1