Vulnerability in Theupdateframework Go-Tuf
CVE-2026-23992
go-tuf is a Go implementation of The Update Framework (TUF). Starting in version 2.0.0 and prior to version 2.3.1, a compromised or misconfigured TUF repository can have the configured value of signature thresholds set to 0, which effectively disables signature verification. This can lead to unauthorized modification to TUF metadata files is possible at rest, or during transit as no integrity checks are made. Version 2.3.1 fixes the issue. As a workaround, always make sure that the TUF metadata roles are configured with a threshold of at least 1.
EPSS: 0.002 (9.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Theupdateframework Go-tuf — versions >= 2.0.0, < 2.3.1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-23992?
- CVE-2026-23992 is a medium-severity vulnerability in Theupdateframework Go-Tuf, classified under Improper Verification of Cryptographic Signature. CVSS score: 5.9/10. Published 2026-01-22.
- How severe is CVE-2026-23992?
- Medium severity. CVSS v3 base score is 5.9 out of 10.