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CVE-2026-18963VulnerabilityPublished

Red Hat Security Advisory: Red Hat Single Sign-On 7.6.14 security update

Affects Red HatSource GCVE Database

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Authoritative record:CVE-2026-18963· Critical 9.1

Public exploit available (Exploit-DB) · CVSS 9.1 Critical.

Data as of 12 Nov 2026, 19:35 UTC

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.19.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 18 Aug 2026

  2. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  3. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by Red Hat, Inc.

    , 13 days before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. In Threat Radar

    record ingested

    , 16 minutes after disclosure

  4. First Exploit-DB entry (opens in a new tab)

    Keycloak 26.7.2 - Unauthenticated Account Takeover

    , 64 days after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 12 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Red Hat build of Keycloak 26.4rhbk/keycloak-operator-bundleAffected–Fixed in–
Red Hat build of Keycloak 26.4rhbk/keycloak-rhel9Affected–Fixed in–
Red Hat build of Keycloak 26.4rhbk/keycloak-rhel9-operatorAffected–Fixed in–
Red Hat build of Keycloak 26.4.15keycloak-servicesAffected–Fixed in–
Red Hat build of Keycloak 26.4.15rhbk-openshift-rhel9/rhbk-openshift-rhel9Affected–Fixed in–
Red Hat build of Keycloak 26.6rhbk/keycloak-operator-bundleAffected–Fixed in–

AI-suggested

A security update to Red Hat Single Sign-On 7.6.14 is available and should be applied promptly. Before updating, back up existing installations, including applications, configuration files, and databases. The vendor advisory confirms the availability of this update as the official fix. No alternative mitigations are specified, so applying the update is the recommended action.

Description

Red Hat Single Sign-On 7.6.14 addresses a critical security vulnerability (CVE-2026-18963) that allows unauthenticated attackers to take over accounts by bypassing the reset-credentials flow. This update replaces version 7.6.13 and includes bug fixes and enhancements. The vulnerability is related to improper handling of the password reset process, enabling unauthorized account takeover.

References

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