GHSA-c9h6-v78w-52wj

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    GHSA-c9h6-v78w-52wj

    Published: 17 Apr 2024Last Modified: 10 Sept 2026
    Aliases:
    CVE-2023-6787

    Summary: Keycloak vulnerable to session hijacking via re-authentication

    Details: A flaw was found in Keycloak. An active keycloak session can be hijacked by initiating a new authentication (having the query parameter prompt=login) and forcing the user to enter his credentials once again. If the user cancels this re-authentication by clicking Restart login, the account takeover could take place as the new session, with a different SUB, will have the same SID as the previous session.

    References: https://github.com/keycloak/keycloak/security/advisories/GHSA-c9h6-v78w-52wj, https://nvd.nist.gov/vuln/detail/CVE-2023-6787, https://access.redhat.com/errata/RHSA-2024:1867, https://access.redhat.com/errata/RHSA-2024:1868, https://access.redhat.com/security/cve/CVE-2023-6787, https://bugzilla.redhat.com/show_bug.cgi?id=2254375, https://github.com/keycloak/keycloak

    Affected packages

    Package

    Name: org.keycloak:keycloak-services

    Purl: pkg:maven/org.keycloak/keycloak-services

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -22.0.10

    Affected versions

    1.0-alpha-1

    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
    GHSA-c9h6-v78w-52wj | CVE-DB