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    CVE-2026-19404

    A flaw was found in 389 Directory Server. The CleanAllRUV and Abort CleanAllRUV replication-maintenance extended operations perform no authorization check, allowing an unauthenticated remote attacker to invoke them when nsslapd-allow-anonymous-access is enabled (the default), or any authenticated low-privilege user to invoke them otherwise. This allows removal of a replica ID from replication metadata, purging of changelog records, and interruption of administrator-initiated cleanup, which can leave replication inconsistent or unavailable.

    Published:Aug 10, 2026
    Last Modified:Aug 11, 2026
    EPS:Aug 10, 2026
    EPSS Score:0.00416
    CVSS Score:6.5

    Affected Products

    Vendor
    Redhat
    Product
    Directory Server
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Redhat Directory Server

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

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    CVE-2026-19843 (CVSS 8.4) — A flaw was found in 389-ds-base. The Cockpit 389 Console's LDAP editor constructs an ldapsearch command by emb…
    CVE-2026-76560 (CVSS 7.5) — A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous …
    CVE-2026-18453 (CVSS 7.5) — A flaw was found in 389 Directory Server. A missing NULL pointer check in the paged results handling of op_sha…
    CVE-2026-18355 (CVSS 7.5) — A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_…
    CVE-2026-78701 (CVSS 6.5) — A flaw was found in 389-ds-base. A remote, authenticated attacker could exploit a vulnerability in the Simple …
    CVE-2026-18663 (CVSS 5.9) — A flaw was found in 389-ds-base. The get_ldapmessage_controls_ext() function frees the parsed controls array o…
    CVE-2026-18651 (CVSS 5.4) — A flaw was found in 389 Directory Server. During SASL PLAIN authentication, the server installs connection-lev…
    CVE-2026-11770 (CVSS 7.5) — A flaw was found in 389 Directory Server. An unauthenticated remote attacker can inject LDAP search filters in…
    CVE-2026-15722 (CVSS 7.5) — A stack buffer overflow flaw was found in 389 Directory Server (389-ds-base). The get_ruvelement_from_berval()…

    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