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    2 vulnerabilities by VMware by Broadcom

    CVE-2026-59354 (GCVE-0-2026-59354)

    Vulnerability from nvd – Published: 2026-08-27 06:33 – Updated: 2026-08-28 03:55
    VLAI
    Title
    Spring Security OAuth2 Authorization Server: Insufficient validation of Dynamic Client Registration metadata
    Summary
    In versions of Spring Security's OAuth2 Authorization Server module 7.0.0 through 7.0.4, when Dynamic Client Registration is explicitly enabled, the registration endpoint performs insufficient validation of certain client metadata fields supplied by the registering client. An attacker who possesses a valid Initial Access Token can register a malicious client with crafted metadata, which, depending on server configuration and how the metadata is later rendered or used, may result in Stored Cross-Site Scripting (XSS), Privilege Escalation, or Server-Side Request Forgery (SSRF).
    Severity
    9.6 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-27 00:00 UTC
    CWE
    • CWE-20 - Improper Input Validation
    Assigner
    References
    Impacted products
    Vendor Product Version
    VMware by Broadcom Spring Security (OAuth2 Authorization Server module) Affected: 7.0.0 , ≤ 7.0.4 (semver)
    Unaffected: 7.0.5 (semver)
    		Create a notification for this product.
    Credits
    Kelvin Mbogo (@addcontent)
    Show details on NVD website
    To clipboard 

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    CVE-2026-59354 (GCVE-0-2026-59354)

    Vulnerability from cvelistv5 – Published: 2026-08-27 06:33 – Updated: 2026-08-28 03:55
    VLAI
    Title
    Spring Security OAuth2 Authorization Server: Insufficient validation of Dynamic Client Registration metadata
    Summary
    In versions of Spring Security's OAuth2 Authorization Server module 7.0.0 through 7.0.4, when Dynamic Client Registration is explicitly enabled, the registration endpoint performs insufficient validation of certain client metadata fields supplied by the registering client. An attacker who possesses a valid Initial Access Token can register a malicious client with crafted metadata, which, depending on server configuration and how the metadata is later rendered or used, may result in Stored Cross-Site Scripting (XSS), Privilege Escalation, or Server-Side Request Forgery (SSRF).
    Severity
    9.6 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-27 00:00 UTC
    CWE
    • CWE-20 - Improper Input Validation
    Assigner
    References
    Impacted products
    Vendor Product Version
    VMware by Broadcom Spring Security (OAuth2 Authorization Server module) Affected: 7.0.0 , ≤ 7.0.4 (semver)
    Unaffected: 7.0.5 (semver)
    		Create a notification for this product.
    Credits
    Kelvin Mbogo (@addcontent)
    Show details on NVD website
    To clipboard 

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