PT-2026-21354 · Moodle+1 · Moodle+1

Dinhnhi · Published 2026-02-21 · Updated 2026-04-20 · CVE-2026-26045

Positive Technologies (AI Summary)

CVSS v2.0

8.3

High

Base vector

AV:N/AC:L/Au:M/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Moodle (affected versions not specified)

Description A flaw exists in Moodle’s backup restore functionality where specially crafted backup files are not properly validated during processing. Restoring a malicious backup file could lead to the execution of server-side code. Exploitation requires authenticated access, as restore capabilities are typically available to privileged users. Successful exploitation could result in a full compromise of the Moodle server.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

BDU:2026-07357

BIT-MOODLE-2026-26045

CVE-2026-26045

GHSA-GGXQ-2MG9-8966

Affected Products

Moodle

Red Os

References · 20

• https://nvd.nist.gov/vuln/detail/CVE-2026-26045 · Security Note
• https://ubuntu.com/security/CVE-2026-26045 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-26045 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-ggxq-2mg9-8966 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-moodle-2026-26045 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-26045 · Security Note
• https://osv.dev/vulnerability/CVE-2026-26045 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-07357 · Security Note
• https://github.com/moodle/moodle · Note
• https://github.com/moodle/moodle/commit/566054ba11f609a6d48d09b32e85d435d49927da · Note
• https://twitter.com/pulsepatchio/status/2028482063037272356 · Twitter Post
• https://twitter.com/CVEnew/status/2025154186581578167 · Twitter Post
• https://bugzilla.redhat.com/show_bug.cgi?id=2440901 · Note
• https://t.me/cveNotify/152693 · Telegram Post
• https://moodle.org/mod/forum/discuss.php?d=473314 · Note