1sealsemantic last-mile verification

Research / Finding

file store write outside workingDir via symlink traversal in oras-go

F-ORAS-SYMLINK-WRITE-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

—score not recorded
CVE-2026-50162CVEoras-project/oras-go

file store write outside workingDir via symlink traversal in oras-go

Fixed in: CVE record: 2.6.1; GHSA: 2.6.2 (conflicting version metadata)

patched
details
Finding IDs
F-ORAS-SYMLINK-WRITE-001
CVE
CVE-2026-50162
GHSA
GHSA-8xwf-rjm4-xvhv
Status
patched
CWE
CWE-73
Fixed in
CVE record: 2.6.1; GHSA: 2.6.2 (conflicting version metadata)
Recorded credit
reporter: @1seal (accepted, repository GHSA)
Disclosure date
Note
CVE record verified PUBLISHED on 2026-09-23. Restored after anonymous access and publication were confirmed; previously hidden while unpublished. CNA and GHSA disagree on the patched version. CVE publication was 2026-07-17; repository GHSA publication was 2026-06-11. Fix commit cc323e564d90c6b5b4bdd71d3c8d2ee2713b37e5.
CVE registry state
PUBLISHED
CVE state checked
Upstream title
file store write outside workingDir via symlink traversal in oras-go
Upstream publication
Upstream updated
Metadata fetched
Upstream @1seal credit
@1seal: reporter (accepted)

F-ORAS-SYMLINK-WRITE-001: File / path escapes. A symlink permits file-store writes outside workingDir. Reviewed 24 Sep 2026. Mechanism assessed by 1seal.

Mechanism source for F-ORAS-SYMLINK-WRITE-001

Security area (1seal assessment): Authorization. A symlink permits file-store writes outside workingDir. Reviewed 24 Sep 2026.

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