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CVE-2026-104991— Phproject < 1.8.7 Missing Authorization via Issues REST API

Quick assessment

Affected
Alanaktion phproject
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.

在 Phproject 1.8.7 之前的版本中，REST API 的工单（issue）端点（包括 single_get、single_comments 和 single_comments_post）存在缺失的对象级授权漏洞。该漏洞允许持有有效 API 密钥的已认证用户绕过 security.restrict_access 的机密性控制，因为系统从未调用 allowAccess() 授权例程。攻击者可以利用合法的 API 密钥读取受限制的工单内容及其评论，包括工单所有者和作者电子邮件地址，并且可以向无权访问的工单发

CVSS 7.1 · High

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token

Affected Version Matrix 1

VendorProduct Version RangeStatus
Alanaktion phproject 1.1.6< 1.8.7 affected
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I. Basic Information for CVE-2026-104991

Vulnerability Information
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Vulnerability Title
Phproject < 1.8.7 Missing Authorization via Issues REST API
Source: CVE Program / CVE List V5
Vulnerability Description
Phproject before 1.8.7 contains a missing object-level authorization vulnerability in the REST API issue endpoints (single_get, single_comments, single_comments_post) that allows authenticated API key holders to bypass the security.restrict_access confidentiality control by never invoking the allowAccess() authorization routine. Attackers can use a valid API key to read restricted issue contents and comments, including owner and author email addresses, and post unauthorized comments to issues they should not have access to.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Alanaktion phproject 1.1.6 ~ 1.8.7 -

II. Public POCs for CVE-2026-104991

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III. Intelligence Information for CVE-2026-104991

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Patches & Fixes for CVE-2026-104991 (1)

Vendor Advisories for CVE-2026-104991 (2)

IV. Related Vulnerabilities

Same product: phproject
Same vendor: Alanaktion
Same weakness: CWE-862

V. Comments for CVE-2026-104991

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