CRITICAL

CVE-2026-31283

CVSS v3

9.8

CRITICAL

EPSS Score

0.6 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-31283 yet.

Full record on NVD

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.

Technical details

Published: 2026-04-13

Frequently asked questions

What is CVE-2026-31283?

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.

Is CVE-2026-31283 actively exploited?

Active exploitation of CVE-2026-31283 has not been confirmed. Its EPSS score was 0.6% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-31283?

CVE-2026-31283 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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