Vulnerability Report

CVE-2026-26045

RCE

Title: RCE via specially crafted backup files in Moodle

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2026-26045.

CWE Category CWE-94

Published Date Feb 21, 2026

Modified Date Feb 26, 2026

Exploit Status Not Found

Score 7.2 CVSS v3.1

Exploit Probability (EPSS)

0.55%

Vulnerability Summary

CVE-2026-26045: 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.

Impacted Vendors

moodle 1

Reference Links

https://access.redhat.com/security/cve/CVE-2026-26045 https://bugzilla.redhat.com/show_bug.cgi?id=2440901

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.2

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-26045 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

February 26, 2026 MODIFIED

Vulnerability data updated via NVD.

February 26, 2026 MODIFIED

Vulnerability data updated via NVD.

February 23, 2026 MODIFIED

Vulnerability data updated via NVD.

February 21, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.