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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

cve-program · CVE-2026-75625

Published

kraken

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "uber",
                    "product": "kraken",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:golang/github.com/uber/kraken",
                    "repo": "https://github.com/uber/kraken",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThanOrEqual": "0.1.27",
                            "versionType": "custom"
                        }
                    ]
                }

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