Improper Verification of Cryptographic Signature Affecting github.com/theupdateframework/go-tuf/metadata package, versions <2.3.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMTHEUPDATEFRAMEWORKGOTUFMETADATA-15054289
- published22 Jan 2026
- disclosed22 Jan 2026
- credit1seal
Introduced: 22 Jan 2026
CVE-2026-23992 (opens in a new tab)How to fix?
Upgrade github.com/theupdateframework/go-tuf/metadata to version 2.3.1 or higher.
Overview
Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the VerifyDelegate() function. An attacker in control of a compromised TUF repository can bypass signature validation and modify metadata files by setting the signature threshold to 0.