Description
ClassLoaderTheme and ClasspathThemeResourceProviderFactory allows reading any file available as a resource to the classloader. By sending requests for theme resources with a relative path from an external HTTP client, the client will receive the content of random files if available.
References (5)
Core 5
Core References
Permissions Required, Vendor Advisory x_refsource_misc
https://issues.redhat.com/browse/KEYCLOAK-19422
Patch, Third Party Advisory x_refsource_misc
https://github.com/keycloak/keycloak/pull/8588
Patch, Third Party Advisory x_refsource_misc
https://github.com/keycloak/keycloak/commit/73f0474008e1bebd0733e62a22aceda9e5de6743
Issue Tracking, Vendor Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=2010164
Vendor Advisory x_refsource_misc
https://access.redhat.com/security/cve/CVE-2021-3856
Scores
CVSS v3
4.3
EPSS
0.0036
EPSS Percentile
58.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Details
CWE
CWE-552
CWE-22
Status
published
Products (2)
org.keycloak/keycloak-core
0 - 15.1.0Maven
redhat/keycloak
< 15.1.0
Published
Aug 26, 2022
Tracked Since
Feb 18, 2026