Moodle vulnerabilities: known CVEs & security history
Moodle · CMS · 15 tracked CVEs · 0 actively exploited · updated October 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Moodle release lines — 15 in total. A CVE here doesn't mean your version is affected — check Moodle's current status and the safe version to run.
Known Moodle CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2026-102588 | medium | 6.5 | 0% | 2026 |
| CVE-2022-50943 | medium | 6.1 | 0% | 2026 |
| CVE-2026-102578 | medium | 5.5 | 0% | 2026 |
| CVE-2024-37674 | medium | 5.5 | 1% | 2024 |
| CVE-2026-102581 | medium | 4.6 | 0% | 2026 |
| CVE-2026-102586 | medium | 4.3 | 0% | 2026 |
| CVE-2026-102585 | medium | 4.3 | 0% | 2026 |
| CVE-2026-102584 | medium | 4.3 | 0% | 2026 |
| CVE-2026-102579 | medium | 4.3 | 0% | 2026 |
| CVE-2026-102577 | medium | 4.3 | 0% | 2026 |
| CVE-2020-1754 | medium | 4.3 | 1% | 2022 |
| CVE-2026-102587 | low | 2.7 | 0% | 2026 |
| CVE-2026-102583 | low | 2.7 | 0% | 2026 |
| CVE-2026-102582 | low | 2.2 | 0% | 2026 |
| CVE-2026-102580 | low | 2.2 | 0% | 2026 |
Is my Moodle version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your Moodle version → · Monitor Moodle for new CVEs →
Moodle vulnerabilities — frequently asked
How many known vulnerabilities does Moodle have?
IsItPatched tracks 15 CVEs for Moodle. 0 are critical-severity and 0 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Moodle have any actively-exploited vulnerabilities?
None of Moodle's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe Moodle vulnerability?
Among tracked issues, CVE-2026-102588 (MEDIUM, CVSS 6.5) ranks highest — a CWE-346 weakness.
Is Moodle safe to use?
It depends on the version. The latest supported Moodle release (5.2.3) clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: Moodle security status · Moodle end-of-life · actively-exploited CVEs. Always verify against Moodle's advisories — see our disclaimer.