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    CVE-2026-41243

    OpenLearn is open-source educational forum software. Prior to commit 844b2a40a69d0c4911580fe501923f0b391313ab, when `safeMode` is enabled, unapproved forum posts are hidden from the public list, but the direct post-read procedure still returns the full post to anyone with the post UUID. Commit 844b2a40a69d0c4911580fe501923f0b391313ab fixes the issue.

    Published:Apr 23, 2026
    Last Modified:Apr 29, 2026
    EPS:Apr 23, 2026
    EPSS Score:0.00054
    CVSS Score:5.4

    Affected Products

    Vendor
    Siemvk
    Product
    Openlearn

    Exploits

    https://github.com/siemvk/OpenLearn/security/advisories/GHSA-4rv3-hfh6-vqvmhttps://github.com/siemvk/OpenLearn/security/advisories/GHSA-4rv3-hfh6-vqvm

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    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