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CVE-2026-61833— Zot 认证缺陷致未授权删除漏洞

一分钟漏洞结论

影响对象
project-zot zot
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

zot is a container image and artifact registry based on the Open Container Initiative Distribution Specification. Prior to 2.1.18, the bearer authentication handler in pkg/api/authn.go maps every HTTP method other than GET and HEAD to the push action, so DELET

CVSS 8.1 · High
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一、 漏洞 CVE-2026-61833 基础信息

漏洞信息

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Vulnerability Title
zot: Bearer authentication maps DELETE to push scope, allowing unauthorized deletion
来源: CVE Program / CVE List V5
Vulnerability Description
zot is a container image and artifact registry based on the Open Container Initiative Distribution Specification. Prior to 2.1.18, the bearer authentication handler in pkg/api/authn.go maps every HTTP method other than GET and HEAD to the push action, so DELETE requests are not checked for the distinct delete permission. Bearer-authenticated requests also bypass the fine-grained DistSpecAuthzHandler path in pkg/api/authz.go, while DeleteManifest and DeleteBlob perform no independent delete-permission check. A remote attacker with a bearer token limited to pull and push actions can therefore delete manifests and blobs within the token's repository scope, making images unavailable and allowing repository history to be altered despite the token lacking delete authorization. This issue is fixed in version 2.1.18.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
project-zot zot < 2.1.18 -

二、漏洞 CVE-2026-61833 的公开POC

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三、漏洞 CVE-2026-61833 的情报信息

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CVE-2026-61833 补丁与修复 (2)

CVE-2026-61833 其他参考 (1)

IV. Related Vulnerabilities

Same product: zot
Same vendor: project-zot
Same weakness: CWE-285

V. Comments for CVE-2026-61833

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