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CVE-2026-111667— REBUILD through 4.5.0 Missing Authorization via /project/comments/list Endpoint

Quick assessment

Affected
getrebuild rebuild
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

REBUILD 4.5.0 及之前版本存在一个缺少授权验证的漏洞，位于 TaskCommentController.commentList 方法中。该漏洞允许已认证的低权限用户在未进行项目成员资格检查的情况下读取任务评论。攻击者可通过向 接口提供私有项目中某个任务的 ID，从而获取该任务的评论内容及其附件引用。

CVSS 4.3 · Medium EPSS 0.30% · P22

Possible ATT&CK Techniques 1 AI

T1069 · Permission Groups Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
getrebuild rebuild ≤ 4.5.0 affected
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I. Basic Information for CVE-2026-111667

Vulnerability Information
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Vulnerability Title
REBUILD through 4.5.0 Missing Authorization via /project/comments/list Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
REBUILD through 4.5.0 contains a missing authorization vulnerability in TaskCommentController.commentList that allows authenticated low-privileged users to read task comments without project membership checks. Attackers can supply the id of a task in a private project to the /project/comments/list endpoint to retrieve its comment content and attachment references.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
getrebuild rebuild 0 ~ 4.5.0 -

II. Public POCs for CVE-2026-111667

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-111667

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Vendor Advisories for CVE-2026-111667 (1)

Proof of Concept for CVE-2026-111667 (1)

Security Blog Posts for CVE-2026-111667 (1)

IV. Related Vulnerabilities

Same product: rebuild
Same vendor: getrebuild
Same weakness: CWE-639

V. Comments for CVE-2026-111667

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