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01 Record

CVE-2025-10044

Keycloak: keycloak error_description injection on error pages

MediumPUBLISHEDCNA: redhat
CNA base score4.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
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02 Description

Keycloak: keycloak error_description injection on error pages

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
0.31% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 23.8% of scored records. A rank, not a probability.
NVD base score
4.3 (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:U/C:N/I:L/A:N
NVD analysis status
Deferred. NVD last modified this record on 2026-10-18.
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
2025-09-05 19:59Z1 YR AGO
Last updated
2025-12-19 21:46Z10 MO AGO
Reserved
2025-09-05
Assigning CNA
redhat
Record state
PUBLISHED
Severity
Medium (CVSS 4.3)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weaknesses
  • CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
Data version
5.2
Document digest
7c73972c592fa75605ad47ca5d15078a60f152a5ddd8d9b8a8ba2c9341086597

05 Affected products

VendorProductVersionsPlatforms
Keycloakkeycloak0 to < 26.2.9—
Red HatRed Hat build of Keycloak 26.0Not specified—
Red HatRed Hat build of Keycloak 26.0.17Not specified—
Red HatRed Hat build of Keycloak 26.2Not specified—
Red HatRed Hat build of Keycloak 26.2.9Not specified—

06 References