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VulnerabilityPublished

CVE-2026-112208: CWE-305

Source GCVE Database

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Authoritative record:CVE-2026-112208· High 8.1

Not known to be exploited · CVSS 8.1 High.

Data as of 5 Nov 2026, 19:47 UTC

CVSS 3.1 base score
8.1High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.18.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

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

    Not in CISA KEV and no source reports exploitation

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

    No attack traffic recorded by OffSeq Mirage sensors

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 5 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Red Hat Build of Keycloakkeycloak-servicesAffected–Fixed in–
Red Hat Build of Keycloakrhbk/keycloak-rhel9Affected–Fixed in–
Red Hat Single Sign-On 7keycloak-servicesAffected–Fixed in–

AI-suggested

Currently, no effective mitigation is available that meets Red Hat's criteria for ease of use, deployment, applicability, or stability. Users should monitor vendor advisories for future patches or fixes. Since this vulnerability requires the Organization feature and multiple organization memberships, limiting these configurations may reduce exposure. Check the Red Hat advisory for updates.

Description

A vulnerability in the Organization identity-first login flow of the Keycloak authentication server allows an attacker who is a member of multiple organizations to bypass authentication. The flaw occurs because a login success flag is not cleared properly when the user switches to registration or password reset paths, enabling the attacker to impersonate another user by providing their username. This results in full account takeover and access to connected applications.

References

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