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Vulnerabilities

Vulnerability · CVE-2018-10912

keycloak before version 4.0.0.final is vulnerable to a infinite loop in session replacement.

Published Jul 23, 2018 · catalog updated Jun 17, 2026 · keycloak before version 4.0.0.final

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2018-10912. EPSS is 1.31%. Act only if a listed version of keycloak before version 4.0.0.final is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (keycloak before version 4.0.0.final).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium4.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.31%
Remediation
Version ranges on file
Affected products
cpe redhat/keycloak · cpe redhat/single sign-on

keycloak before version 4.0.0.final is vulnerable to a infinite loop in session replacement. A Keycloak cluster with multiple nodes could mishandle an expired session replacement and lead to an infinite loop. A malicious authenticated user could use this flaw to achieve Denial of Service on the server.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe redhat/keycloak< 4.0.0
  • cpe redhat/single sign-on7.2

How to fix CVE-2018-10912

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2018-10912. EPSS is 1.31%. Act only if a listed version of keycloak before version 4.0.0.final is installed.

Which versions are affected?

Compare what you have installed with redhat/single sign-on 7.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-835: Infinite Loop. EPSS 1.31%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Keycloak security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 23, 2018 · Monitored products — high

    Detected

    keycloak before version 4.0.0.final is vulnerable to a infinite loop in session replacement. A Keycloak cluster with multiple nodes could mishandle an expired session replacement and lead to an infinite loop. A malicious authenticated user could use this flaw to achieve Denial of Service on the server.

  2. Jun 17, 2026 · Monitored products — high

    Updated

    keycloak before version 4.0.0.final is vulnerable to a infinite loop in session replacement. A Keycloak cluster with multiple nodes could mishandle an expired session replacement and lead to an infinite loop. A malicious authenticated user could use this flaw to achieve Denial of Service on the server.

Sources

  • CVE.orgVulnerability recordCVE-2018-10912

    Official CVE identifier

    cve.org
  • Monitored products — highVendor advisoryCVE-2018-10912

    keycloak before version 4.0.0.final is vulnerable to a infinite loop in session replacement. A Keycloak cluster with multiple nodes could mishandle an expired session replacement and lead to an infinite loop. A malicious authenticated user could use this flaw to achieve Denial of Service on the server.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 4, 2026
  • Monitored products — highNov 3, 2026