1sealsemantic last-mile verification

Research / Finding

Legacy TUF client allows for arbitrary file writes with target cache path traversal

F-SIGSTORE-005

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

5.8medium
CVE-2026-24137CVEsigstore/sigstore

Legacy TUF client allows for arbitrary file writes with target cache path traversal

Fixed in: sigstore 1.10.4

patched
details
Finding IDs
F-SIGSTORE-005
CVE
CVE-2026-24137
GHSA
GHSA-fcv2-xgw5-pqxf
Status
patched
Fixed in
sigstore 1.10.4
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
CVE registry state
PUBLISHED
CVE state checked
Upstream title
Legacy TUF client allows for arbitrary file writes with target cache path traversal
Upstream CWE
CWE-22
Upstream publication
Upstream updated
Metadata fetched
Upstream @1seal credit
@1seal: reporter (accepted)

F-SIGSTORE-005: File / path escapes. A target name escapes the local cache directory. Reviewed 24 Sep 2026. Mechanism assessed by 1seal.

Mechanism source for F-SIGSTORE-005

Security area (1seal assessment): Authorization. A target name escapes the local cache directory. Reviewed 24 Sep 2026.

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How this page groups evidence

This identifier groups recorded evidence; it is not an additional CVE, independent-vulnerability count or guarantee of vendor confirmation. Fixed code, released versions, attribution and independent discovery are distinct claims. Absent metadata means not recorded, not disproved. Counting rules.