CVE-2023-45131

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    CVE-2023-45131

    Published: 16 Oct 2023Last Modified: 28 Oct 2026

    Summary: Unauthenticated access to new private chat messages in Discourse

    Details: Discourse is an open source platform for community discussion. New chat messages can be read by making an unauthenticated POST request to MessageBus. This issue is patched in the 3.1.1 stable and 3.2.0.beta2 versions of Discourse. Users are advised to upgrade. There are no known workarounds for this vulnerability.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45131.json, https://github.com/discourse/discourse/security/advisories/GHSA-84gf-hhrc-9pw6, https://nvd.nist.gov/vuln/detail/CVE-2023-45131

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 808ed03993cac46d10b7a3224d85f975aaf71303
    Fixed -None

    Affected versions

    stable < 3.1.2

    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
    CVE-2023-45131 | CVE-DB