CVE-2026-31283

CRITICAL

Totara LMS <=v19.1.5 - Email Bombing

Title source: llm

Description

In Totara LMS v19.1.5 and before, the forgot password API does not implement rate limiting for the target email address. which can be used for an Email Bombing attack. NOTE: the Supplier's position is that the pwresettime configuration defaults to 30 minutes, the pwresettime configuration is a hard control enforced via flag PWRESET_STATUS_ALREADYSENT, and no further password-reset email messages are sent if this flag is active for a specific email address.

Exploits (1)

nomisec WRITEUP
by saykino · poc
https://github.com/saykino/CVE-2026-31283

Scores

CVSS v3 9.8
EPSS 0.0006
EPSS Percentile 17.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-770
Status published
Published Apr 13, 2026
Tracked Since Apr 13, 2026