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

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-27 · updated 2026-10-27
Weakness: CWE-639

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.

Affected products

redaxo core: before 5.21.4 — fixed in 5.21.4

How to fix

Upgrade to a fixed version: redaxo core 5.21.4. Check the vendor advisory for mitigations.

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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