1sealsemantic last-mile verification

Research / Finding

Improper validation of configured threshold for delegations

F-TUF-001

Public snapshot: 26 Sep 2026. Status, releases and attribution belong to each source below; none is inferred from another record.

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Recorded evidence

5.9medium
CVE-2026-23992CVEtheupdateframework/go-tuf/v2

Improper validation of configured threshold for delegations

Fixed in: go-tuf/v2 2.3.1

patched
details
Finding IDs
F-TUF-001
CVE
CVE-2026-23992
GHSA
GHSA-fphv-w9fq-2525
Status
patched
Fixed in
go-tuf/v2 2.3.1
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVE registry state
PUBLISHED
CVE state checked
Upstream title
Improper validation of configured threshold for delegations
Upstream CWE
CWE-347
Upstream publication
Upstream updated
Metadata fetched
Upstream @1seal credit
@1seal: remediation_reviewer (accepted)

F-TUF-001: Verification failures. Delegated signature threshold enforcement is incomplete. Reviewed 24 Sep 2026. Mechanism assessed by 1seal.

Mechanism source for F-TUF-001

Security area (1seal assessment): Authorization. The delegated role can be accepted without the configured number of authorized signatures; this weakens the metadata authorization policy. Reviewed 24 Sep 2026.

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