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    CVE-2026-40996

    Wss4jSecurityInterceptor defaulted allowRSA15KeyTransportAlgorithm to true, overriding Apache WSS4J's safer default for validation RequestData. Inbound WS-Security decryption could therefore accept RSA PKCS#1 v1.5 (rsa-1_5) encrypted key material unless operators explicitly reconfigured the flag. Affected versions: Spring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.

    Published:Jun 11, 2026
    Last Modified:Sep 4, 2026
    EPS:Jun 11, 2026
    EPSS Score:0.00129
    CVSS Score:4.8

    Affected Products

    Vendor
    Broadcom
    Product
    Spring Web Services
    Vendor
    Spring
    Product
    Spring Web Services

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-40998 (CVSS 8.2) — Jaxp13XPathTemplate evaluated XPath expressions for StreamSource and SAXSource inputs using a code path that p…
    CVE-2026-40997 (CVSS 5.3) — Several Spring WS integration paths with Spring Security could surface detailed account state (for example loc…
    CVE-2026-40995 (CVSS 5.4) — X509AuthenticationProvider could issue a fully authenticated X509AuthenticationToken when a presented certific…
    CVE-2026-40994 (CVSS 8.2) — Wss4jSecurityInterceptor initialized its BSP (WS-I Basic Security Profile) compliance flag so that inbound val…
    CVE-2019-3773 (CVSS 9.8) — Spring Web Services, versions 2.4.3, 3.0.4, and older unsupported versions of all three projects, were suscept…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High