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CVE-2026-72699: grav

Severity

9.3 (CRITICAL)

Vendor

GETGRAV

Affected versions

0 through before 3.9.1

Fixed version

3.9.1

Patch status

Patched

Published

2026-08-25T02:16:45.687

Modified

2026-08-25T16:17:25.570

Why it matters

This matters because the affected product may be exposed on public websites. A vulnerable plugin can create a direct path to site compromise, malicious code deployment, or data theft.

Recommended admin actions

• Prioritize validation immediately due to critical CVSS severity.
• Check whether the affected WordPress plugin or theme is installed.
• Update, disable, or remove the affected component if present.
• Compare installed versions against the affected version range in the advisory.

Technical summary

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.

View the official NVD record for CVE-2026-72699

CVE data is sourced from NVD/CNA records and optional enrichment. Validate against the vendor advisory before taking production action.