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VulnerabilityPublished

CVE-2026-107124: CWE-384

Source GCVE Database

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Authoritative record:CVE-2026-107124· Medium 6.4

Not known to be exploited · CVSS 6.4 Medium.

Data as of 6 Nov 2026, 07:35 UTC

CVSS 3.1 base score
6.4Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.16.4
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 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

Red Hat currently does not provide a mitigation or patch that meets their criteria for this vulnerability. Users should monitor Red Hat advisories for future updates. No immediate workaround or fix is available at this time.

Description

A vulnerability in the OIDC logout endpoint of the keycloak-services component in Red Hat Build of Keycloak allows an attacker to fix a session ID in a victim's browser before security checks are completed. This flaw enables session fixation, potentially leading to full account takeover, including administrative accounts. The issue arises from setting session cookies based on unvalidated token hints and reusing authentication session IDs during login. No effective mitigation or patch is currently available from Red Hat.

References

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