CVE-2018-10912

mediumpriority · track · 20EPSS 0.013 · 70 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.31% (70th) EPSS

CVSS 4 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

4.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04mediumAV:N/AC:L/Au:S/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.2 · impact 3.6

v3.04.4mediumCVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.04.4mediumCVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:Hsecondary · secalert@redhat.com USexploitability 0.7 · impact 3.6

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.14.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-835USprimaryCWE-835US

affected products (4)

Products and version ranges known to be affected.

[UNKNOWN] KeyCloak≤ Keycloak 4.0.0.Finalenisa_euvdEU
redhat keycloak< 4.0.0nvdUScpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
redhat single sign-on= 7.2nvdUScpe:2.3:a:redhat:single_sign-on:*:*:*:*:*:*:*:*
Maven org.keycloak:keycloak-core< 4.0.0osvUSpkg:maven/org.keycloak/keycloak-core

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-h7j7-pw3v-3v3xModerate severity vulnerability that affects org.keycloak:keycloak-core2018-10-18ghsa · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2018-07-23modified 2026-06-17

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+1370 more

references (12)

External citations — patches, advisories, analysis.

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