1sealsemantic last-mile verification

Research / Finding

Pull-through cache credential exfiltration via www-authenticate bearer realm

F-DIST-PROXY-SSRF-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

7.5high
CVE-2026-33540CVEdistribution/distribution

Pull-through cache credential exfiltration via www-authenticate bearer realm

Upstream fixed versions: distribution: >=3.1.0

patched
details
Finding IDs
F-DIST-PROXY-SSRF-001
CVE
CVE-2026-33540
GHSA
GHSA-3p65-76g6-3w7r
Status
patched
Fixed in
distribution: >=3.1.0
Note
GHSA-3p65-76g6-3w7r
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVE registry state
PUBLISHED
CVE state checked
Upstream title
Pull-through cache credential exfiltration via www-authenticate bearer realm
Upstream CWE
CWE-918
Upstream publication
Upstream updated
Metadata fetched
Upstream fixed versions
distribution: >=3.1.0
Upstream affected ranges
distribution: <= 3.0.0
Upstream @1seal credit
@1seal: reporter (accepted)

F-DIST-PROXY-SSRF-001: Outbound request trust. A registry-controlled realm redirects credential-bearing token requests. Reviewed 24 Sep 2026. Mechanism assessed by 1seal.

Mechanism source for F-DIST-PROXY-SSRF-001

Security area (1seal assessment): Authorization. A registry-controlled realm redirects credential-bearing token requests. 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.