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01 Record

CVE-2026-16089

Keycloak-services: keycloak-services: authorization codes can be retargeted to another client session

MediumPUBLISHEDCNA: redhat
CNA base score5.4 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:L/A:N
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02 Description

Keycloak-services: keycloak-services: authorization codes can be retargeted to another client session

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
0.29% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 21.8% of scored records. A rank, not a probability.
NVD base score
5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-09-16.
Red Hat severity
Moderate. 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
2026-07-17 14:15Z3 MO AGO
Last updated
2026-09-16 18:34Z1 MO AGO
Reserved
2026-07-17
Assigning CNA
redhat
Record state
PUBLISHED
Severity
Medium (CVSS 5.4)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:L/A:N
Weaknesses
  • CWE-384Session FixationCompound
  • CWE-472External Control of Assumed-Immutable Web ParameterBase
Data version
5.2
Document digest
7f26f0866f8cb4f00ece9168f643ab7c0ba5aebfad4ec58e4735648f239a8f97

05 Affected products

VendorProductVersionsPlatforms
Red HatRed Hat build of Keycloak 26.6Not specified—
Red HatRed Hat build of Keycloak 26.6.7Not specified—
Red HatRed Hat Data Grid 8Not specified—
Red HatRed Hat JBoss Enterprise Application Platform Expansion PackNot specified—
Red HatRed Hat Single Sign-On 7Not specified—

06 References