CVE-2026-23992: go-tuf improperly validates the configured threshold for delegations

January 21, 2026

A compromised or misconfigured TUF repository can have the configured value of signature thresholds set to 0, which effectively disables signature verification.

References

github.com/advisories/GHSA-fphv-w9fq-2525
github.com/theupdateframework/go-tuf
github.com/theupdateframework/go-tuf/security/advisories/GHSA-fphv-w9fq-2525
nvd.nist.gov/vuln/detail/CVE-2026-23992

Code Behaviors & Features

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