CVE-2026-26045
Last modified
CVE-2026-26045 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. A flaw was identified in Moodle’s backup restore functionality where specially crafted backup files were not properly validated during processing. If a malicious backup file is restored, it could lead to unintended execution of server-side code. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
Description
A flaw was identified in Moodle’s backup restore functionality where specially crafted backup files were not properly validated during processing. If a malicious backup file is restored, it could lead to unintended execution of server-side code. Since restore capabilities are typically available to privileged users, exploitation requires authenticated access. Successful exploitation could result in full compromise of the Moodle server.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Moodle | Moodle | < 4.5.9 |
| Moodle | Moodle | >= 5.0.0, < 5.0.5 |
| Moodle | Moodle | >= 5.1.0, < 5.1.2 |
References
- https://access.redhat.com/security/cve/CVE-2026-26045Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2440901Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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