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CVE-2026-75625

Kraken Agents Peer-to-Peer Download Cache Poisoning via Digest Verification Bypass

CVSS 4.0 9.1 CRITICALCVSS 3.1 9.0 CRITICALCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-75625

Published

Kraken agents fail to verify peer-to-peer downloaded blobs against their requested SHA-256 digest before committing to the content-addressable cache, relying only on CRC32 checksums for piece validation. Attackers on the agent-to-agent path or malicious peers can supply substituted content with forged CRC32 corrections that passes per-piece checks, poisoning the cache with attacker-chosen container image layers or manifests that are re-seeded and executed by other hosts.

Read the publisher's advisory

Affected versions, risk and source history

Exploitation and risk

Source status

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cve-program · CVE-2026-75625

Published

Kraken Agents Peer-to-Peer Download Cache Poisoning via Digest Verification Bypass

Kraken agents fail to verify peer-to-peer downloaded blobs against their requested SHA-256 digest before committing to the content-addressable cache, relying only on CRC32 checksums for piece validation. Attackers on the agent-to-agent path or malicious peers can supply substituted content with forged CRC32 corrections that passes per-piece checks, poisoning the cache with attacker-chosen container image layers or manifests that are re-seeded and executed by other hosts.

Source published
18 Aug 2026 17:56:54 UTC
Source modified
24 Sep 2026 14:19:28 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 4.0 · 9.1 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H

CVSS 3.1 · 9.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

ChangeIntel

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Sources read 12 Nov 13:19 UTC · 273 of 275 readable · 271 fully read · documentation 469/469 current

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