Improper authorization in Keycloak

published 2022-04-26 4 y ago modified 2026-06-17 4 mo ago also GHSA-f32v-vf79-p29q , EUVD-2022-1714

cvss: 6.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits: 0; none known

Due to improper authorization, Red Hat Single Sign-On is vulnerable to users performing actions that they should not be allowed to perform. It was possible to add users to the master realm even though no respective permission was granted.

Patch / fix

fixed in 2

maven org.keycloak:keycloak-core 17.0.1
redhat keycloak 17.0.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-1466 updated 2026-11-05 cvss 6.5

keycloak: Improper authorization for master realm

Red Hat RHSSO 7.5.1
fixed: vendor fix RHSA-2022:0449
Red Hat Decision Manager 7 keycloak keycloak Red Hat Fuse 7 keycloak keycloak Red Hat Integration Camel K 1 keycloak keycloak Red Hat Process Automation 7 keycloak keycloak Red Hat Single Sign-On 7 rh-sso7-keycloak rh-sso7-keycloak Red Hat support for Spring Boot keycloak keycloak
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.10% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

syss.de https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-076.txt referenced PoC, tagged "exploit" by a source, unverified
syss.de https://www.syss.de/pentest-blog/fehlerhafte-autorisierung-bei-red-hat-single-sign-on-750ga-syss-2021-076 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N
GitHub	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	org.keycloak:keycloak-core	<17.0.1	17.0.1

Affected products

n/a rhsso

Classification

Weakness

CWE-863 Incorrect Authorization

References

syss.de /fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-076.txt
web, exploit, third-party-advisory
syss.de /pentest-blog/fehlerhafte-autorisierung-bei-red-hat-single-sign-on-750ga-syss-2021-076
web, exploit, third-party-advisory
bugzilla.redhat.com /show_bug.cgi?id=2050228
web, issue-tracking, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2022-1466
advisory
github.com /keycloak/keycloak
package

Sources

CVE List CVE-2022-1466
GitHub Advisory GHSA-f32v-vf79-p29q
NVD CVE-2022-1466

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary