---
title: "CVE-2026-104991: Phproject - Broken Access Control"
description: "Phproject before 1.8.7 contains a broken access control vulnerability in REST API issue endpoints caused by missing object-level authorization, letting authenticated API key holders read restricted issue data and post unauthorized comments, exploit requires valid API key."
url: https://panop.io/threat-heartbeat/CVE-2026-104991/
---

# CVE-2026-104991 Phproject - Broken Access Control

Phproject before 1.8.7 contains a broken access control vulnerability in REST API issue endpoints caused by missing object-level authorization, letting authenticated API key holders read restricted issue data and post unauthorized comments, exploit requires valid API key.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

Proof of concept available

Authentication

Required

EPSS

0.22% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-104991)

## Details

Type

Broken Access Control

Impact

Information Disclosure, Data Tampering

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Published

2 October 2026

Updated

15 October 2026

Weakness

[CWE-862](https://cwe.mitre.org/data/definitions/862.html)

## Vendor fix

Upgrade to version 1.8.7 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-104991](https://nvd.nist.gov/vuln/detail/CVE-2026-104991)
- [https://github.com/Alanaktion/phproject/releases/tag/v1.8.7](https://github.com/Alanaktion/phproject/releases/tag/v1.8.7)
- [https://github.com/Alanaktion/phproject/security/advisories/GHSA-mpq9-v47x-3hw8](https://github.com/Alanaktion/phproject/security/advisories/GHSA-mpq9-v47x-3hw8)
- [https://www.vulncheck.com/advisories/phproject-missing-authorization-via-issues-rest-api](https://www.vulncheck.com/advisories/phproject-missing-authorization-via-issues-rest-api)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)