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CVE-2026-85747 Details

Description

Distribution is a toolkit to pack, ship, store, and deliver container content. Prior to 3.1.2, registry/client.(*manifests).Get() reads a manifest returned for a digest-pinned request and passes it to distribution.UnmarshalManifest without hashing the body against the requested digest, allowing a malicious or intercepted registry response to substitute attacker-chosen manifest content even when Docker-Content-Digest claims the requested value. The bundled pull-through proxy in registry/proxy/proxymanifeststore.go can cache and re-serve the substituted manifest. This issue is fixed in version 3.1.2.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.8 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/distribution/distribution/security/advisories/GHSA-685w-q87j-wqw3	CISA-ADP
https://github.com/distribution/distribution/commit/960439b09f342cdeb8f1c0e18e8c7349bdcfbf80	[email protected]
https://github.com/distribution/distribution/releases/tag/v3.1.2	[email protected]
https://github.com/distribution/distribution/security/advisories/GHSA-685w-q87j-wqw3	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-354	Improper Validation of Integrity Check Value	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 18, 2026	CVE Modified	CISA-ADP
Oct 13, 2026	New CVE Received	[email protected]