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CVE-2025-12390: keycloak 0 to before 26.0.0; +4 more affected products
CVE-2025-12390. CVSS 3.1 base score 6.0 (MEDIUM, Vendor/CNA). EPSS 0.0014 (percentile 0.02987), scored 17-Oct-2026.
Affected technology
keycloak · 0 to before 26.0.0
Keycloak
Red Hat build of Keycloak 26.2 · Exact affected versions not specified by the source
Red Hat
Red Hat build of Keycloak 26.2.11 · Exact affected versions not specified by the source
Red Hat
Red Hat build of Keycloak 26.4 · Exact affected versions not specified by the source
Red Hat
Red Hat build of Keycloak 26.4.4 · Exact affected versions not specified by the source
Red Hat
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Local · Low privileges required · User interaction required
What an attacker can do
In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. Vendor/CNA’s CVSS 3.1 assessment (base score 6.0/10) rates confidentiality and integrity impact as high; availability impact as none.
- CWE
- CWE-384
- CCR priority
- 24.0 /100 (P4)
- CVSS 3.1
- 6.0 /10 · CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N · Vendor/CNA
- EPSS
- 0.0014 · percentile 0.02987 · 2026-10-17
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-18 22:50:08.248207+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-12390.html