A flaw was found in Keycloak. By setting a verification policy to 'ALL', the trust store certificate verification is skipped, which is unintended.
CVE-2025-3501
This high-severity CVE scores 8.2 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 62% 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).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 8.2
- EG Score
- 8.2HIGHmedium confidence
- EG Risk
- 52EG Risk 52/100
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity82% × 45%Exploitation0% × 40%Automatability100% × 15% - EPSS PROB
- 0.5%
- EPSS %ILE
- 37th
- KEV
- Not listed
Published
April 29, 2025
Last Modified
September 21, 2026
Advisory Details (8)
Auto-updated Sep 8, 2026fix: remove ANY mode modification of truststores
Fix merged in keycloak/keycloak PR #39366 on 2025-04-30 — awaiting tagged release
https://github.com/keycloak/keycloak/pull/39366CVE-2025-3501 Keycloak hostname verification · Issue #39350 · keycloak/keycloak · GitHub
https://github.com/keycloak/keycloak/issues/393502358834 – (CVE-2025-3501) CVE-2025-3501 org.keycloak.protocol.services: Keycloak hostname verification
https://bugzilla.redhat.com/show_bug.cgi?id=2358834CVE-2025-3501 - Red Hat Customer Portal
Affected: Red Hat Enterprise Linux 8 or OpenShift Container Platform 4, is affected by this vulnerability and a fix may be released to a
https://access.redhat.com/security/cve/CVE-2025-3501Vendor Advisories for CVE-2025-3501(4)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2025:8690Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat build of Keycloak 26.2.5 Security Update
- RHSA-2025:8672Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat build of Keycloak 26.2.5 Images Security Update
- RHSA-2025:4335Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat build of Keycloak 26.0.11 Images Update
- RHSA-2025:4336Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat build of Keycloak 26.0.11 Update
Patch Availability(4)
| Vendor / Ecosystem | Fix (by version range) / Patch | Released | Source |
|---|---|---|---|
| redhat | patch | 2025-06-09 | redhat |
| redhat | rhbk/keycloak-rhel9-operator:26.2-4 | 2025-06-09 | redhat |
| redhat | keycloak | 2025-04-29 | redhat |
| redhat | rhbk/keycloak-rhel9-operator:26.0-13 | 2025-04-29 | 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
(1 across 1 ecosystem)
Maven(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| org.keycloak:keycloak-services | 1.0-alpha-1 ... 9.0.3 (198 versions) |
| — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 29× 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.
Showing the most recent 100 of 191 total refreshes for this CVE.
- 2026-10-09 20:06 UTCEPSS rescore
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Related CVEs(same product + same vendor + same CWE)
Same product
10 shownMaven:org.keycloak:keycloak-services
Same vendor
3 shownredhat:RHSA-2025:8672 · redhat:RHSA-2025:4335
Frequently asked(5)
What is CVE-2025-3501?
When was CVE-2025-3501 disclosed?
Is CVE-2025-3501 actively exploited?
What is the CVSS score of CVE-2025-3501?
How do I remediate CVE-2025-3501?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-3501
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