CVE-2024-8883

Keycloak: vulnerable redirect uri validation results in open redirec

MEDIUM
6.1
CVSS Score
Published: September 19, 2024 at 03:48 PM UTC
Updated: August 4, 2026 at 11:22 AM UTC
7 products affected across 2 vendorsOpenShift Container PlatformSingle Sign onBuild of Keycloak

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Severity
MEDIUM6.1
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

A misconfiguration flaw was found in Keycloak. This issue can allow an attacker to redirect users to an arbitrary URL if a 'Valid Redirect URI' is set to http://localhost or http://127.0.0.1, enabling sensitive information such as authorization codes to be exposed to the attacker, potentially leading to session hijacking.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
Vendor states this is fixed in 22 (unaffected)
Vendor states this is fixed in 22-18 (unaffected)
Vendor states this is fixed in 22-21 (unaffected)
Vendor states this is fixed in 22.0.13-1 (unaffected)
Vendor states this is fixed in 24-17 (unaffected)
Vendor states this is fixed in 24.0.8-1 (unaffected)
Vendor states this is fixed in 0:18.0.18-1.redhat_00001.1.el7sso (unaffected)
Vendor states this is fixed in 0:18.0.18-1.redhat_00001.1.el8sso (unaffected)
Vendor states this is fixed in 0:18.0.18-1.redhat_00001.1.el9sso (unaffected)
Vendor states this is fixed in 7.6 (unaffected)
All versions

References (17)

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMredhat
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-601

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