# CVE-2026-102584: Moodle missing capability check in grade penalty recalculation

Source: https://junglewise.ai/threats/cve-2026-102584-a-flaw-was-found-in-moodle-due-to-a-missing-capability-check-a  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-30. Updated: 2026-09-30  
License: CC BY 4.0 with a link back

CVE-2026-102584 · Severity: medium · CVSS 4.3 · Published 2026-09-30

Moodle is a learning management system used by educational institutions to manage courses and student grades. A low-privileged authenticated user can bypass permission checks to recalculate grade penalties, allowing them to alter student assessment scores without authorization. This could result in grade manipulation and academic fraud.

Technologies: [Moodle](https://junglewise.ai/threats/technologies/moodle). Vendors: [Moodle](https://junglewise.ai/threats/vendors/moodle).

## Quick answers

**Is CVE-2026-102584 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-102584 being exploited in the wild.

**How severe is CVE-2026-102584?** Medium severity, with a CVSS score of 4.3, published 30 September 2026.

**Which products and versions are affected?** Moodle Moodle.

**Is there a fix for CVE-2026-102584?** A patch was published on 2026-04-28: Fix commit MDL-88585 merged Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-102584 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-102584?** Check whether you run Moodle. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A missing capability check in Moodle's grade penalty recalculation functionality allows authenticated users with insufficient permissions to trigger penalty recalculations. The vulnerability requires authentication and is accessible via the web interface. An attacker can modify grade penalty records, altering student assessment scores without proper authorization.

## Affected products

- Moodle Moodle

## Timeline

- 2026-09-30: disclosed
- 2026-04-28: patched: Fix commit MDL-88585 merged

## References

- [https://git.moodle.org/](https://git.moodle.org/)
- [http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-88585](http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-88585)

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