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High 8.8Published Oct 27, 2026

CVE-2026-117536REDAXO before 5.21.3 CSRF Token Bypass via users/users Privilege Escalation

Updated under an hour ago ()

Does this affect you?

It affects redaxo core. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

REDAXO before 5.21.3 contains a cross-site request forgery vulnerability in the backend user administration page (users/users) because the CSRF token check only runs when the save parameter is set, while the update path triggered by FUNC_UPDATE does not require it. Attackers can lure a logged-in backend user with the users[] permission to a crafted GET link to grant administrator rights, deactivate accounts, or lock out the sole administrator.

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CVSS
8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-352
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulnCheck
NVD analysis
Deferred
Record last updated
Oct 27, 2026
First seen by InfoSec Signals
Oct 27, 2026

Affected products

Affected products
redaxo core
redaxo:core (from the name)
before 5.21.3; 5.21.3 not affected
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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