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Количество 4

Количество 4

redhat логотип

CVE-2026-11800

3 месяца назад

A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to impersonate any federated user linked to the affected Identity Provider, leading to unauthorized access and potential privilege escalation.

CVSS3: 8.1
EPSS: Низкий
nvd логотип

CVE-2026-11800

около 2 месяцев назад

A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to impersonate any federated user linked to the affected Identity Provider, leading to unauthorized access and potential privilege escalation.

CVSS3: 8.1
EPSS: Низкий
debian логотип

CVE-2026-11800

около 2 месяцев назад

A flaw was found in Keycloak. This JWT algorithm confusion vulnerabili ...

CVSS3: 8.1
EPSS: Низкий
github логотип

GHSA-gqj5-2xp5-3qmp

около 2 месяцев назад

A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to impersonate any federated user linked to the affected Identity Provider, leading to unauthorized access and potential privilege escalation.

CVSS3: 8.1
EPSS: Низкий

Уязвимостей на страницу

Уязвимость
CVSS
EPSS
Опубликовано
redhat логотип
CVE-2026-11800

A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to impersonate any federated user linked to the affected Identity Provider, leading to unauthorized access and potential privilege escalation.

CVSS3: 8.1
0%
Низкий
3 месяца назад
nvd логотип
CVE-2026-11800

A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to impersonate any federated user linked to the affected Identity Provider, leading to unauthorized access and potential privilege escalation.

CVSS3: 8.1
0%
Низкий
около 2 месяцев назад
debian логотип
CVE-2026-11800

A flaw was found in Keycloak. This JWT algorithm confusion vulnerabili ...

CVSS3: 8.1
0%
Низкий
около 2 месяцев назад
github логотип
GHSA-gqj5-2xp5-3qmp

A flaw was found in Keycloak. This JWT algorithm confusion vulnerability in the JWT Authorization Grant flow allows an attacker with valid client credentials to bypass signature verification. By forging an assertion, the attacker can create unauthorized access tokens. This enables the attacker to impersonate any federated user linked to the affected Identity Provider, leading to unauthorized access and potential privilege escalation.

CVSS3: 8.1
0%
Низкий
около 2 месяцев назад

Уязвимостей на страницу