CVE-2026-96451 Ultimate Member - Authorization Bypass

Ultimate Member <= 2.13.1 contains an authorization bypass through user-controlled key, letting attackers escalate privileges, exploit requires crafted user input.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Required
EPSS
0.30% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authorization Bypass
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
3 October 2026
Updated
15 October 2026
Weakness
CWE-639

Vendor fix

Update to the latest version beyond 2.13.1.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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