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HIGH

CVE-2026-17526

CVSS v3

7.2

HIGH

EPSS Score

0.5 %

exploit probability, as of 2026-09-29

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Keycloak is an open-source identity and access management solution. A vulnerability was discovered where a user with the impersonation role can impersonate a realm administrator. This allows the attacker to gain full administrative control over the realm, including the ability to manage users, clients, and roles.

Technical details

Published
2026-09-16
Last Modified
2026-09-16

Frequently asked questions

What is CVE-2026-17526?

Keycloak is an open-source identity and access management solution. A vulnerability was discovered where a user with the impersonation role can impersonate a realm administrator. This allows the attacker to gain full administrative control over the realm, including the ability to manage users, clients, and roles.

Is CVE-2026-17526 actively exploited?

Active exploitation of CVE-2026-17526 has not been confirmed. Its EPSS score was 0.5% on 2026-09-29, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-17526?

CVE-2026-17526 has a CVSS v3 base score of 7.2 (HIGH severity).

Is CVE-2026-17526 affecting your environment?

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