Org.keycloak.protocol.services: keycloak hostname verification
Priority MEDIUM 42CWE-297Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat.
Summary
A flaw was found in Keycloak. By setting a verification policy to 'ALL', the trust store certificate verification is skipped, which is unintended.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0047 40th percentileScored 2026-11-07
Fix Fixed keycloak: 26.0.11, 26.2.2org.keycloak:keycloak-services (Maven): 26.2.2Red Hat: 4 advisories
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | keycloak | 25.0.0 and later; 26.0.0 to before 26.0.11; 26.2.0 to before 26.2.2 | 26.0.11, 26.2.2 | Patch available | CNA |
| Red Hat | Red Hat Build of Keycloak | — | — | Not affected | CNA |
| Red Hat | Red Hat build of Keycloak 26 | — | — | Not affected | CNA |
| Red Hat | Red Hat build of Keycloak 26.0 | — | 26.0.11-2 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.0 | — | 26.0-12 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.0 | — | 26.0-13 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.2 | — | 26.2.5-1 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.2 | — | 26.2-4 | Patch available | CNA |
| Red Hat | Red Hat build of Keycloak 26.2 | — | 26.2-4 | Patch available | CNA |
| Red Hat | Red Hat Single Sign-On 7 | — | — | Not affected | CNA |
| — | org.keycloak:keycloak-services (Maven) | before 26.2.2 | 26.2.2 | Patch available | GHSA-hw58-3793-42gg |
- keycloak Vendor— Affected 25.0.0 and later; 26.0.0 to before 26.0.11; 26.2.0 to before 26.2.2 Fixed in 26.0.11, 26.2.2 Patch available CNA
- Red Hat Build of Keycloak VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat build of Keycloak 26 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat build of Keycloak 26.0 VendorRed Hat Affected — Fixed in 26.0.11-2 Patch available CNA
- Red Hat build of Keycloak 26.0 VendorRed Hat Affected — Fixed in 26.0-12 Patch available CNA
- Red Hat build of Keycloak 26.0 VendorRed Hat Affected — Fixed in 26.0-13 Patch available CNA
- Red Hat build of Keycloak 26.2 VendorRed Hat Affected — Fixed in 26.2.5-1 Patch available CNA
- Red Hat build of Keycloak 26.2 VendorRed Hat Affected — Fixed in 26.2-4 Patch available CNA
- Red Hat build of Keycloak 26.2 VendorRed Hat Affected — Fixed in 26.2-4 Patch available CNA
- Red Hat Single Sign-On 7 VendorRed Hat Affected — Fixed in — Not affected CNA
- org.keycloak:keycloak-services (Maven) Vendor— Affected before 26.2.2 Fixed in 26.2.2 Patch available GHSA-hw58-3793-42gg
CPE names CNA · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:/a:redhat:build_keycloak:26.0 | 26.0 | — | Red Hat |
| cpe:/a:redhat:build_keycloak:26.2 | 26.2 | — | Red Hat |
| cpe:/a:redhat:build_keycloak:26.0::el9 | 26.0 | — | Red Hat |
| cpe:/a:redhat:build_keycloak:26.2::el9 | 26.2 | — | Red Hat |
| cpe:/a:redhat:red_hat_single_sign_on:7 | 7 | — | Red Hat |
- cpe:/a:redhat:build_keycloak:26.0 Versions 26.0 — ·Red Hat
- cpe:/a:redhat:build_keycloak:26.2 Versions 26.2 — ·Red Hat
- cpe:/a:redhat:build_keycloak:26.0::el9 Versions 26.0 — ·Red Hat
- cpe:/a:redhat:build_keycloak:26.2::el9 Versions 26.2 — ·Red Hat
- cpe:/a:redhat:red_hat_single_sign_on:7 Versions 7 — ·Red Hat
Remediation
- Fix · CNA keycloak Fixed in 26.0.11, 26.2.2
- Fix · GHSA-hw58-3793-42gg org.keycloak:keycloak-services (Maven) Fixed in 26.2.2 Advisory →
Red Hat 4 advisories
- RHSA-2025:8690 Released 2025-06-09 · Red Hat rating ImportantRed Hat build of Keycloak 26.2.5 Security Update
- Red Hat build of Keycloak 26
- RHSA-2025:8672 Released 2025-06-09 · Red Hat rating ImportantRed Hat build of Keycloak 26.2.5 Images Security Update
- Red Hat build of Keycloak 26.2 rhbk/keycloak-operator-bundle, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9-operator
- RHSA-2025:4335 Released 2025-04-29 · Red Hat rating ImportantRed Hat build of Keycloak 26.0.11 Images Update
- Red Hat build of Keycloak 26.0 rhbk/keycloak-operator-bundle, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9-operator
Show 1 more Red Hat advisories
- RHSA-2025:4336 Released 2025-04-29 · Red Hat rating ImportantRed Hat build of Keycloak 26.0.11 Update
- Red Hat Build of Keycloak
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Build of Keycloak | Fixed | RHSA-2025:4336 |
| Red Hat build of Keycloak 26 | Fixed | RHSA-2025:8690 |
| Red Hat build of Keycloak 26.0 | Fixed | RHSA-2025:4335 |
| Red Hat build of Keycloak 26.2 | Fixed | RHSA-2025:8672 |
Not affected: 1 product
- Red Hat Single Sign-On 7
Timeline
- 2026-10-02 Threatist record created from CVE-2025-3501
- 2026-10-03 Alias added: GHSA-hw58-3793-42gg
References
Advisory 5
Other 7
- https://access.redhat.com/security/cve/CVE-2025-3501
- RHBZ#2358834
- https://github.com/keycloak/keycloak/issues/39350
- https://github.com/keycloak/keycloak/pull/39366
- https://github.com/keycloak/keycloak/security/advisories/GHSA-hw58-3793-42gg
- https://github.com/keycloak/keycloak/commit/99ca24c832729075e04d8bc58666089268314272
- https://github.com/keycloak/keycloak
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Sources
- CVE-2025-3501 · CVE Program
- CVE-2025-3501 · NVD
- FIRST EPSS
- GHSA-hw58-3793-42gg · GitHub Advisory Database · CC BY 4.0
- CVE-2025-3501 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences