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

Quick assessment

Affected

redaxo core

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 5.21.4 版本之前的 REDAXO 存在一个授权缺失漏洞，该漏洞出现在媒体池的批量移动功能中。该功能仅检查目标类别的权限，而忽略了源类别的权限。因此，拥有某个媒体类别权限的已认证后端用户，可以将受限制类别中的文件移动至该类别，随后静默地在全站范围内替换其内容。

CVSS 7.1 · High Updated Oct 27, 2026

Possible ATT&CK Techniques 1 AI

T1548.003 · Sudo and Sudo Caching

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Vulnerability Information

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Vulnerability Title

REDAXO before 5.21.4 Missing Authorization in Media Pool Bulk Move

Source: CVE Program / CVE List V5

Vulnerability 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.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

通过用户控制密钥绕过授权机制

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
redaxo	core	0 ~ 5.21.4	-

II. Public POCs for CVE-2026-116898

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-116898

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Other References for CVE-2026-116898 (2)

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

https://www.cve.org/CVERecord?id=CVE-2026-116898

Same Patch Batch · redaxo · 2026-10-27 · 15 CVEs total

CVE-2026-117532	9.8 CRITICAL	REDAXO Core 5.3.0 before 5.21.4 Authentication Bypass via History Plugin
CVE-2026-117536	8.8 HIGH	REDAXO before 5.21.3 CSRF Token Bypass via users/users Privilege Escalation
CVE-2026-116896	7.5 HIGH	REDAXO before 5.21.5 Privilege Escalation via Backup Export of Authentication Tables
CVE-2026-116893	6.8 MEDIUM	REDAXO core before 5.21.5 Missing Authorization in rex_api_package API
CVE-2026-116897	6.5 MEDIUM	REDAXO before 5.21.4 Missing Authorization in Version and History Previews
CVE-2026-116899	6.5 MEDIUM	REDAXO before 5.21.4 Broken Access Control in Slice Operations
CVE-2026-117535	6.1 MEDIUM	REDAXO before 5.21.3 Reflected XSS via opener_link in Media Pool
CVE-2026-117534	5.4 MEDIUM	REDAXO before 5.21.3 CSRF in Article History Plugin
CVE-2026-116900	5.4 MEDIUM	REDAXO before 5.21.4 Stored XSS via Media and Link Input Widgets
CVE-2026-116895	5.4 MEDIUM	REDAXO before 5.21.5 CSRF via Safe Mode Toggle Parameter
CVE-2026-117533	4.4 MEDIUM	REDAXO 5.18.0 before 5.21.4 Stored XSS via Unsanitized Mediapool SVG Uploads
CVE-2026-116894	4.2 MEDIUM	REDAXO before 5.21.5 Insufficient Session Expiration on Password Change
CVE-2026-117538	4.1 MEDIUM	REDAXO before 5.21.0 Reflected XSS via Packages API function Parameter
CVE-2026-117537	4.1 MEDIUM	REDAXO before 5.21.0 Reflected XSS via Metainfo API type Parameter

IV. Related Vulnerabilities

Same product: core

Same vendor: redaxo

Same weakness: CWE-639