DEBIAN-CVE-2026-18922

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    DEBIAN-CVE-2026-18922

    Published: 7 Sept 2026Last Modified: 9 Sept 2026
    Upstream:
    CVE-2026-18922

    Summary:

    Details: A flaw was found in 389 Directory Server. During SASL PLAIN authentication, a stale identity carried in a Cyrus SASL auxiliary property from a prior failed bind attempt can be installed on a connection following a subsequent, unrelated successful bind, regardless of which SASL mechanism completes that second bind. An attacker can send a SASL PLAIN bind as cn=Directory Manager with an incorrect password, then complete a SASL ANONYMOUS bind on the same connection, causing the server to grant Directory Manager authority without any valid credentials. A variant using a valid low-privileged account's own successful bind instead of an anonymous one is also possible.

    References: https://security-tracker.debian.org/tracker/CVE-2026-18922

    Affected packages

    Package

    Name: 389-ds-base

    Purl: pkg:deb/debian/389-ds-base?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2.3.1+dfsg1-1
    2.3.1+dfsg1-1+deb12u1
    2.3.4+dfsg1-1
    2.3.4+dfsg1-1.1

    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
    DEBIAN-CVE-2026-18922 | CVE-DB