High 7.5Published Feb 3, 2026

CVE-2025-67853Moodle: moodle: brute-force facilitation due to missing rate limiting in confirmation email service

Updated under an hour ago (Oct 26, 2026, 1:40 PM ET)

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

No exploitation reported and no EPSS estimate yet.

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Every CVE for moodle

Exploited in the last 30 days

A flaw was found in Moodle. A remote attacker could exploit a lack of proper rate limiting in the confirmation email service. This vulnerability allows attackers to more easily enumerate or guess user credentials, facilitating brute-force attacks against user accounts.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-307
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: fedora
NVD analysis: Analyzed
Record last updated: Feb 3, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

moodle moodle moodle:moodle	before 4.1.22; from 4.4.0 before 4.4.11; from 4.5.0 before 4.5.8; from 5.0.0 before 5.0.4; 5.1.0	NVD

References

References

https://access.redhat.com/security/cve/CVE-2025-67853	vdb-entry, x-refsource-redhat, third-party-advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2423847	issue-tracking, x-refsource-redhat, third-party-advisory

The CVE record on cve.org NVD's entry

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.