CVE-2026-100670 Grav CMS - Privilege Escalation

Grav CMS 2.0.14 through 2.0.24 contains a privilege escalation vulnerability caused by improper handling of dot-notation keys in group and account blueprints, letting authenticated backend operators escalate to super-admin by bypassing access controls.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.30% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Privilege Escalation
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
26 September 2026
Updated
15 October 2026
Weakness
CWE-639

Vendor fix

Upgrade to version 2.0.25 or later.

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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