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01 Record

CVE-2023-6291

Keycloak: redirect_uri validation bypass

HighPUBLISHEDCNA: redhat
CNA base score7.1 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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02 Description

Keycloak: redirect_uri validation bypass

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.95% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 60.9% of scored records. A rank, not a probability.
NVD base score
7.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
NVD analysis status
Modified. NVD last modified this record on 2026-09-22.
Red Hat severity
Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2024-01-26 14:23Z2 YR AGO
Last updated
2026-09-22 03:27Z1 MO AGO
Reserved
2023-11-24
Assigning CNA
redhat
Record state
PUBLISHED
Severity
High (CVSS 7.1)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weaknesses
  • CWE-601URL Redirection to Untrusted Site ('Open Redirect')Base
Data version
5.2
Document digest
f7cb535ac47fcf94af0606a0710d69e3ce452a460e4a5458d35b989102198a9e

05 Affected products

VendorProductVersionsPlatforms
Red HatRed Hat build of Keycloak 22Not specified—
Red HatRed Hat build of Keycloak 22.0.7Not specified—
Red HatRed Hat Single Sign-On 7Not specified—
Red HatRed Hat Single Sign-On 7.6 for RHEL 7Not specified—
Red HatRed Hat Single Sign-On 7.6 for RHEL 8Not specified—
Red HatRed Hat Single Sign-On 7.6 for RHEL 9Not specified—
Red HatRHEL-8 based Middleware ContainersNot specified—
Red HatSingle Sign-On 7.6.6Not specified—
Red HatMigration Toolkit for Applications 6Not specified—
Red HatMigration Toolkit for Applications 7Not specified—
Red HatOpenShift ServerlessNot specified—
Red HatRed Hat Data Grid 8Not specified—
Red HatRed Hat Decision Manager 7Not specified—
Red HatRed Hat Fuse 7Not specified—
Red HatRed Hat JBoss Data Grid 7Not specified—
Red HatRed Hat JBoss Enterprise Application Platform 6Not specified—
Red HatRed Hat Process Automation 7Not specified—

06 References