CVE-2026-116896

REDAXO before 5.21.5 Privilege Escalation via Backup Export of Authentication Tables

State: Published
Severity: 7.7 High
Published: Oct 27, 2026
Updated: Oct 27, 2026
Reserved: Oct 27, 2026

Description

REDAXO before 5.21.5 contains a missing authorization vulnerability in the backup addon export that accepts any database table, allowing non-admin users with the backup[export] permission to export rex_user, rex_user_session, and other applications' tables. Attackers can obtain plaintext session ids and stay-logged-in keys to take over admin accounts, or password hashes for offline cracking.

Scores

CVSS	Score	Vector	Source
4.0	7.7 High	CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	VulnCheck
3.1	7.5 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	VulnCheck

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
coreredaxo	before 5.21.5Affected 5.21.5Not affected

References

GitHub Security Advisory (GHSA-phjc-vx3j-58r3)vendor-advisory
VulnCheck Advisory: REDAXO before 5.21.5 Privilege Escalation via Backup Export of Authentication Tablesthird-party-advisory

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