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CVE-2025-7365— Keycloak: phishing attack via email verification step in first login flow

Quick assessment

Affected
CVE-2025-7365
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Keycloak是Keycloak开源的一种开源身份和访问管理解决方案。 Keycloak存在访问控制错误漏洞，该漏洞源于身份提供者登录期间账户合并功能存在缺陷，可能导致攻击者通过修改电子邮件地址获取受害者账户访问权限。

CVSS 7.1 · High EPSS 0.23% · P14

Affected Version Matrix 11

VendorProduct Version RangeStatus
None None < 26.0.13 affected
26.1.0< 26.1.* unknown
26.2.0< 26.2.6 affected
Red Hat Red Hat build of Keycloak 26 any unaffected
any unaffected
Red Hat Red Hat build of Keycloak 26.0 26.0.13-2< * unaffected
26.0-16< * unaffected
26.0-17< * unaffected
Red Hat Red Hat build of Keycloak 26.2 26.2.6-1< * unaffected
26.2-6< * unaffected
26.2-6< * unaffected

I. Basic Information for CVE-2025-7365

Vulnerability Information
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Vulnerability Title
Keycloak: phishing attack via email verification step in first login flow
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Keycloak. When an authenticated attacker attempts to merge accounts with another existing account during an identity provider (IdP) login, the attacker will subsequently be prompted to "review profile" information. This vulnerability allows the attacker to modify their email address to match that of a victim's account, triggering a verification email sent to the victim's email address. The attacker's email address is not present in the verification email content, making it a potential phishing opportunity. If the victim clicks the verification link, the attacker can gain access to the victim's account.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
源验证错误
Source: CVE Program / CVE List V5
Vulnerability Title
Keycloak 访问控制错误漏洞
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存在访问控制错误漏洞，该漏洞源于身份提供者登录期间账户合并功能存在缺陷，可能导致攻击者通过修改电子邮件地址获取受害者账户访问权限。
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
- - 0 ~ 26.0.13 -
Red Hat Red Hat build of Keycloak 26 - cpe:/a:redhat:build_keycloak:26.0::el9
Red Hat Red Hat build of Keycloak 26 - cpe:/a:redhat:build_keycloak:26.2::el9
Red Hat Red Hat build of Keycloak 26.0 26.0.13-2 ~ * cpe:/a:redhat:build_keycloak:26.0::el9
Red Hat Red Hat build of Keycloak 26.0 26.0-16 ~ * cpe:/a:redhat:build_keycloak:26.0::el9
Red Hat Red Hat build of Keycloak 26.0 26.0-17 ~ * cpe:/a:redhat:build_keycloak:26.0::el9
Red Hat Red Hat build of Keycloak 26.2 26.2.6-1 ~ * cpe:/a:redhat:build_keycloak:26.2::el9
Red Hat Red Hat build of Keycloak 26.2 26.2-6 ~ * cpe:/a:redhat:build_keycloak:26.2::el9
Red Hat Red Hat build of Keycloak 26.2 26.2-6 ~ * cpe:/a:redhat:build_keycloak:26.2::el9

II. Public POCs for CVE-2025-7365

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2025-7365

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Patches & Fixes for CVE-2025-7365 (1)

News Coverage for CVE-2025-7365 (1)

IV. Related Vulnerabilities

Same weakness: CWE-346

V. Comments for CVE-2025-7365

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