CVE-2020-14366

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-11-09 · updated 2026-06-17
Weakness: CWE-22

Description

A vulnerability was found in keycloak, where path traversal using URL-encoded path segments in the request is possible because the resources endpoint applies a transformation of the url path to the file path. Only few specific folder hierarchies can be exposed by this flaw

Affected products

Keycloak: before 12.0.0 — fixed in 12.0.0

How to fix

Upgrade to a fixed version: Keycloak 12.0.0. Check the vendor advisory for mitigations.

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14366
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14366

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