A flaw was found in Keycloak. Keycloak’s account console and other pages accept arbitrary text in the error_description query parameter. This text is directly rendered in error pages without validation or sanitization. While HTML encoding prevents XSS, an attacker can craft URLs with misleading messages (e.g., fake support phone numbers or URLs), which are displayed within the trusted Keycloak UI. This creates a phishing vector, potentially tricking users into contacting malicious actors.
CVE-2025-10044
This medium-severity CVE scores 4.3 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 82% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 4.3
- EG Score
- 4.3(medium)
- EPSS
- 20.9%
- KEV
- Not listed
Published
September 5, 2025
Last Modified
April 15, 2026
References (7)
- secalert@redhathttps://access.redhat.com/errata/RHSA-2025:16399
- secalert@redhathttps://access.redhat.com/errata/RHSA-2025:16400
- secalert@redhathttps://access.redhat.com/errata/RHSA-2025:19923
- secalert@redhathttps://access.redhat.com/errata/RHSA-2025:19925
- secalert@redhathttps://access.redhat.com/security/cve/CVE-2025-10044
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=2393551
- secalert@redhathttps://github.com/keycloak/keycloak/pull/42443
Patch Availability(3)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | rhbk/keycloak-rhel9-operator:26.0-22 | 2025-11-07 | redhat |
| redhat | keycloak | 2025-11-07 | redhat |
| redhat | rhbk/keycloak-rhel9-operator:26.2-9 | 2025-09-22 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(2 across 1 ecosystem)
Maven(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| org.keycloak:keycloak-account-ui | 26.3.0, 26.3.1, 26.3.2, 26.3.3 | 26.3.4 | — |
| org.keycloak:keycloak-admin-ui | 26.3.0, 26.3.1, 26.3.2, 26.3.3 | 26.3.4 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(4)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 10× in last 7d / 43× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Frequently asked(5)
What is CVE-2025-10044?
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What is the CVSS score of CVE-2025-10044?
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Dependency Blast Radius
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