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CVE-2026-75625— Kraken Agents Peer-to-Peer Download Cache Poisoning via Digest Verification Bypass

Quick assessment

Affected
uber kraken
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Kraken 代理在将内容通过内容寻址缓存提交之前，未能根据请求的 SHA-256 摘要对点对点（P2P）下载的块（blobs）进行验证，而仅依赖 CRC32 校验和来验证各个数据块。位于代理间路径上的攻击者或恶意对等节点可以提供带有伪造 CRC32 校验值的内容替换，从而通过逐块检查，将攻击者选择的容器镜像层或清单文件污染缓存，并导致这些文件被其他主机重新播种（re-seeded）和执行。

CVSS 9.0 · Critical EPSS 0.20% · P10

Affected Version Matrix 1

VendorProduct Version RangeStatus
uber kraken ≤ 0.1.27 affected
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I. Basic Information for CVE-2026-75625

Vulnerability Information
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Vulnerability Title
Kraken Agents Peer-to-Peer Download Cache Poisoning via Digest Verification Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
完整性检查值验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
uber kraken 0 ~ 0.1.27 -

II. Public POCs for CVE-2026-75625

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9166 chars
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III. Intelligence Information for CVE-2026-75625

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Patches & Fixes for CVE-2026-75625 (1)

News Coverage for CVE-2026-75625 (2)

IV. Related Vulnerabilities

Same weakness: CWE-354

V. Comments for CVE-2026-75625

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