CVE record · CVE-2026-18922

389-ds-base: 389-ds-base: sasl plain authentication allows privilege escalation to directory manager via stale identity in cyrus sasl auxiliary property

CVSS 9.8 CriticalCriticalEPSS 0.0056 · 46th percentile

Critical, because:

CVSS score 9.8: 9.0 or more.

Published by the CVE Program (CNA: redhat) at 7 Sept 2026, 14:14 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Red Hat	Red Hat Directory Server 11.5 E4S for RHEL 8 Package name: redhat-ds:11 https://access.redhat.com/downloads/content/package-browser/	unaffected 8060020260908152739.0ca98e7e to before * rpm Other versions: affected
Red Hat	Red Hat Directory Server 11.7 E4S for RHEL 8 Package name: redhat-ds:11 https://access.redhat.com/downloads/content/package-browser/	unaffected 8080020260903102346.f969626e to before * rpm Other versions: affected
Red Hat	Red Hat Directory Server 11.9 for RHEL 8 Package name: redhat-ds:11 https://access.redhat.com/downloads/content/package-browser/	unaffected 8100020260904171440.37ed7c03 to before * rpm Other versions: affected
Red Hat	Red Hat Directory Server 12.2 E4S for RHEL 9 Package name: redhat-ds:12 https://access.redhat.com/downloads/content/package-browser/	unaffected 9020020260903155914.1674d574 to before * rpm Other versions: affected
Red Hat	Red Hat Directory Server 12.4 E4S for RHEL 9 Package name: redhat-ds:12 https://access.redhat.com/downloads/content/package-browser/	unaffected 9040020260903102623.1674d574 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 10 Package name: 389-ds-base https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.2.0-10.el10_2 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support Package name: 389-ds-base https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.0.6-21.el10_0 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION Package name: 389-ds-base https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.2.11.15-97.el6_10.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 7 Extended Lifecycle Support Package name: 389-ds-base https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.3.11.1-15.el7_9 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: 389-ds:1.4 https://access.redhat.com/downloads/content/package-browser/	unaffected 8100020260904155442.25e700aa to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Package name: 389-ds:1.4 https://access.redhat.com/downloads/content/package-browser/	unaffected 8040020260901171549.96015a92 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Package name: 389-ds:1.4 https://access.redhat.com/downloads/content/package-browser/	unaffected 8040020260901171549.96015a92 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Package name: 389-ds:1.4 https://access.redhat.com/downloads/content/package-browser/	unaffected 8060020260901145727.824efc52 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Package name: 389-ds:1.4 https://access.redhat.com/downloads/content/package-browser/	unaffected 8060020260901145727.824efc52 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service Package name: 389-ds:1.4 https://access.redhat.com/downloads/content/package-browser/	unaffected 8080020260831180218.6dbb3803 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Package name: 389-ds:1.4 https://access.redhat.com/downloads/content/package-browser/	unaffected 8080020260831180218.6dbb3803 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: 389-ds-base https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.8.0-10.el9_8 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Package name: 389-ds-base https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.2.4-22.el9_2 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions Package name: 389-ds-base https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.4.5-29.el9_4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support Package name: 389-ds-base https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.6.1-24.el9_6 to before * rpm Other versions: affected
Red Hat	Red Hat Directory Server 12 Package name: 389-ds-base https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat Directory Server 13 Package name: 389-ds-base https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected

Identifiers: CVE-2026-18922
CNA: redhat
Weakness (CWE): CWE-287
Tags: Red Hat Directory Server 11.5 E4S for RHEL 8
Red Hat Directory Server 11.7 E4S for RHEL 8
Red Hat Directory Server 11.9 for RHEL 8
Red Hat Directory Server 12.2 E4S for RHEL 9
Red Hat Directory Server 12.4 E4S for RHEL 9
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 10.0 Extended Update Support
Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION
Authentication bypass
Published: 7 Sept 2026
Updated: 8 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.8	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CNA (redhat)

CISA KEV Not listed.
EPSS 0.0056, the 46th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 7 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

access.redhat.com/errata/RHSA-2026:64771 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:64776 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:64778 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:64779 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:64780 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:64781 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:64783 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:64784 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:64785 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:64789 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:64790 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:64791 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:64792 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:64793 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:64804 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:64811 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:79217 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2026-18922 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2511388 issue-trackingredhat

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.