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CVE-2026-31283 - Vulnerability Analysis

CriticalCVSS: 9.8

Last Updated: April 14, 2026

Totara LMS - Denial of Service

Published: April 13, 2026Updated: April 14, 2026PoC AvailableRemote Exploitable

Overview

Totara LMS <= 19.1.5 contains a lack of rate limiting in the forgot password API, letting attackers perform email bombing attacks, exploit requires no special privileges.

Severity & Score

Severity: Critical

CVSS Score: 9.8

Impact

Attackers can send a large volume of emails to a target, causing denial of service or user disruption.

Mitigation

Update to the latest version with rate limiting implemented.

References

https://github.com/saykino/CVE-2026-31283
https://totara.com/

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-31283
Severity: Critical
CVSS Score: 9.8
Type: misconfiguration
Status: new

CWE

CWE-770

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H