CVE-2026-31283CRITICAL 9.8EPSS p31.3%

CVE-2026-31283CVE-2026-31283

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.40% probability of exploitation · percentile 31.3% · 2026-06-19T12:03:05Z
Published2026-04-13
Last modified2026-04-24

Underlying weaknesses· 1

CWE-770

References

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

1

TypeTargetConfidenceTier
WeaknessAllocation of Resources Without Limits or Throttlingcwe-7700%live

Related by meaning· 6

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.