CVE Feed

    Dashboard / CVE / CVE-2026-102577

    CVE-2026-102577

    A flaw was found in Moodle. Incorrect handling of IPv4-mapped IPv6 addresses within the URL downloader's host-blocking logic allows an authenticated remote user to bypass blocked-host restrictions. By supplying a crafted URL, an attacker can induce the server to make requests to restricted destinations, leading to Server-Side Request Forgery (SSRF).

    Published:Sep 30, 2026
    Last Modified:Oct 1, 2026
    EPS:Sep 30, 2026
    EPSS Score:0.00263
    CVSS Score:4.3

    Affected Products

    Vendor
    Moodle
    Product
    Moodle

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-918 Server-Side Request Forgery

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

    CVE-2026-123655 (CVSS 7.5) — A flaw was found in Moodle. Insufficient access control checks on H5P content files allow unauthenticated remo…
    CVE-2026-119556 (CVSS 5.3) — Moodle 4.2.0 through 4.5.15, 5.0.0 through 5.0.11, 5.1.0 through 5.1.8, 5.2.0 through 5.2.4, and 5.3.0 contain…
    CVE-2026-119555 (CVSS 5.3) — Moodle 4.2.0 through 4.5.15, 5.0.0 through 5.0.11, 5.1.0 through 5.1.8, 5.2.0 through 5.2.4, and 5.3.0 contain…
    CVE-2026-119554 (CVSS 6) — Moodle 5.3.0, 5.2.0 through 5.2.4, 5.1.0 through 5.1.8, 5.0.0 through 5.0.11, and through 4.5.15 contain an sq…
    CVE-2026-119553 (CVSS 7.1) — Moodle 5.3.0, 5.2.0 through 5.2.4, 5.1.0 through 5.1.8, 5.0.0 through 5.0.11, and through 4.5.15 contains a pa…
    CVE-2026-102588 (CVSS 6.5) — A flaw was found in Moodle. The XML grade import feature lacks proper Cross-Site Request Forgery (CSRF) token …
    CVE-2026-102587 (CVSS 2.7) — A flaw was found in Moodle. User list filters do not properly enforce visibility restrictions on user profile …
    CVE-2026-102586 (CVSS 4.3) — A flaw was found in Moodle. Insufficient sanitization of username input on the password reset page allows a re…
    CVE-2026-102585 (CVSS 4.3) — A flaw was found in Moodle. When enrolling a user into a course while assigning them to a group, the applicati…
    CVE-2026-102584 (CVSS 4.3) — A flaw was found in Moodle. Due to a missing capability check, a low-privileged authenticated user can trigger…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High