CVE-2026-72699

critical · 9.3

The Grav Login plugin (getgrav/grav-plugin-login) before 3.9.1 is vulnerable to email address enumeration. The register() method in classes/Login.php throws a distinct exception (EMAIL_NOT_AVAILABLE) when a submitted email address already belongs to an existing account, while allowing registration to proceed otherwise. Because the registration endpoint has no rate limiting, an attacker can enumerate which email addresses have accounts on the site, one guess per request.

9.3

CVSS

0.3%

EPSS (exploit prob.)

17th

EPSS percentile

2026-08-25

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-203

References

https://github.com/getgrav/grav/security/advisories/GHSA-crh8-xm27-j9g9
https://www.vulncheck.com/advisories/grav-login-plugin-before-email-enumeration-via-registration
https://github.com/getgrav/grav/security/advisories/GHSA-crh8-xm27-j9g9

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-72699