CVE-2025-8419— Org.keycloak/keycloak-services: keycloak smtp inject vulnerability
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I. Basic Information for CVE-2025-8419
Vulnerability Information
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Vulnerability Title
Org.keycloak/keycloak-services: keycloak smtp inject vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in Keycloak-services. Special characters used during e-mail registration may perform SMTP Injection and unexpectedly send short unwanted e-mails. The email is limited to 64 characters (limited local part of the email), so the attack is limited to very shorts emails (subject and little data, the example is 60 chars). This flaw's only direct consequence is an unsolicited email being sent from the Keycloak server. However, this action could be a precursor for more sophisticated attacks.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对CRLF序列的转义处理不恰当(CRLF注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Keycloak 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Keycloak是Keycloak开源的一种开源身份和访问管理解决方案。 Keycloak存在注入漏洞，该漏洞源于电子邮件注册过程中使用特殊字符可能导致SMTP注入，发送未经请求的短邮件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Keycloak | keycloak | 0 ~ 26.3.3 | - | |
| Red Hat | Red Hat build of Keycloak 26.0 | - | cpe:/a:redhat:build_keycloak:26.0 | |
| Red Hat | Red Hat build of Keycloak 26.0 | 26.0.15-1 ~ * | cpe:/a:redhat:build_keycloak:26.0::el9 | |
| Red Hat | Red Hat build of Keycloak 26.0 | 26.0-18 ~ * | cpe:/a:redhat:build_keycloak:26.0::el9 | |
| Red Hat | Red Hat build of Keycloak 26.0 | 26.0-19 ~ * | cpe:/a:redhat:build_keycloak:26.0::el9 | |
| Red Hat | Red Hat build of Keycloak 26.2 | - | cpe:/a:redhat:build_keycloak:26.2 | |
| Red Hat | Red Hat build of Keycloak 26.2 | 26.2.8-1 ~ * | cpe:/a:redhat:build_keycloak:26.2::el9 | |
| Red Hat | Red Hat build of Keycloak 26.2 | 26.2-8 ~ * | cpe:/a:redhat:build_keycloak:26.2::el9 | |
| Red Hat | Red Hat build of Keycloak 26.2 | 26.2-8 ~ * | cpe:/a:redhat:build_keycloak:26.2::el9 |
II. Public POCs for CVE-2025-8419
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|---|
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IV. Related Vulnerabilities
Same product: keycloak
- CVE-2025-12150
Org.keycloak/keycloak-services: webauthn attestation stateme - CVE-2025-13467
Org.keycloak.storage.ldap: keycloak: deserialization of untr - CVE-2025-11538
Keycloak-server: debug default bind address - CVE-2025-12390
Org.keycloak.protocol.oidc.endpoints.logoutendpoint: offline - CVE-2025-10939
Org.keycloak/keycloak-quarkus-server: unable to restrict acc
Same vendor: Keycloak
- CVE-2025-12150
Org.keycloak/keycloak-services: webauthn attestation stateme - CVE-2025-13467
Org.keycloak.storage.ldap: keycloak: deserialization of untr - CVE-2025-11538
Keycloak-server: debug default bind address - CVE-2025-12390
Org.keycloak.protocol.oidc.endpoints.logoutendpoint: offline - CVE-2025-10939
Org.keycloak/keycloak-quarkus-server: unable to restrict acc
Same weakness: CWE-93
- CVE-2026-42257
net-imap: Command Injection via "raw" arguments to multiple - CVE-2026-41570
PHPUnit: Argument injection via newline in PHP INI values fo - CVE-2026-41417
Netty vulnerable to HTTP request smuggling and RTSP request - CVE-2026-39849
Pi-hole FTL remote code execution via newline injection in d - CVE-2026-34458
Sandboxie-Plus privilege escalation via INI CRLF injection b
V. Comments for CVE-2025-8419
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