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    2 vulnerabilities found for bcjmail-fips by bouncycastle

    CVE-2026-59641 (GCVE-0-2026-59641)

    Vulnerability from nvd – Published: 2026-08-03 00:54 – Updated: 2026-08-03 13:26
    VLAI
    Title
    S/MIME validator trusts signer-asserted signingTime for path validation
    Summary
    In Bouncy Castle for Java before 1.85, S/MIME validator trusts signer-asserted signingTime for path validation. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcmail-fips and bcjmail-fips 1.0.7 (1.0.X series), 2.0.7 (2.0.X series) and 2.1.7 (2.1.X series).
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/U:Amber
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-03 13:25 UTC
    CWE
    • CWE-345 - Insufficient Verification of Data Authenticity
    Assigner
    References
    Impacted products
    Vendor Product Version
    Legion of the Bouncy Castle Inc. BC-JAVA Affected: 0 , < 1.85 (maven)
    		Create a notification for this product.
    Legion of the Bouncy Castle Inc. BC-LTS-JAVA Affected: 2.73.0 , < 2.73.12 (maven)
    		Create a notification for this product.
    Legion of the Bouncy Castle Inc. BC-FJA Affected: 1.0.0 , < 1.0.7 (maven)
    Affected: 2.0.0 , < 2.0.7 (maven)
    Affected: 2.1.0 , < 2.1.7 (maven)
    		Create a notification for this product.
    Legion of the Bouncy Castle Inc. BC-FJA Affected: 1.0.4 , < 1.0.7 (maven)
    Affected: 2.0.0 , < 2.0.7 (maven)
    Affected: 2.1.0 , < 2.1.7 (maven)
    		Create a notification for this product.
    Credits
    Alex Gaynor in collaboration with Claude and Anthropic Research
    Show details on NVD website
    To clipboard 

    {
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              "content": {
                "id": "CVE-2026-59641",
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                "role": "CISA Coordinator",
                "timestamp": "2026-08-03T13:25:56.639830Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        "title": "CISA ADP Vulnrichment"
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    ],
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      "affected": [
        {
          "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
          "defaultStatus": "unaffected",
          "modules": [
            "mail"
          ],
          "packageName": "bcmail",
          "packageURL": "pkg:maven/org.bouncycastle/bcmail-jdk18on",
          "platforms": [
            "all"
          ],
          "product": "BC-JAVA",
          "programFiles": [
            "SignedMailValidator"
          ],
          "repo": "https://github.com/bcgit/bc-java",
          "vendor": "Legion of the Bouncy Castle Inc.",
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          ],
          "packageName": "bcmail-lts8on",
          "packageURL": "pkg:maven/org.bouncycastle/bcmail-lts8on",
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          ],
          "product": "BC-LTS-JAVA",
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          ],
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        },
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          "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
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          "packageName": "bcjmail-fips",
          "packageURL": "pkg:maven/org.bouncycastle/bcjmail-fips",
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
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            "vulnerabilityResponseEffort": "NOT_DEFINED"
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    CVE-2026-59641 (GCVE-0-2026-59641)

    Vulnerability from cvelistv5 – Published: 2026-08-03 00:54 – Updated: 2026-08-03 13:26
    VLAI
    Title
    S/MIME validator trusts signer-asserted signingTime for path validation
    Summary
    In Bouncy Castle for Java before 1.85, S/MIME validator trusts signer-asserted signingTime for path validation. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcmail-fips and bcjmail-fips 1.0.7 (1.0.X series), 2.0.7 (2.0.X series) and 2.1.7 (2.1.X series).
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/U:Amber
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-03 13:25 UTC
    CWE
    • CWE-345 - Insufficient Verification of Data Authenticity
    Assigner
    References
    Impacted products
    Vendor Product Version
    Legion of the Bouncy Castle Inc. BC-JAVA Affected: 0 , < 1.85 (maven)
    		Create a notification for this product.
    Legion of the Bouncy Castle Inc. BC-LTS-JAVA Affected: 2.73.0 , < 2.73.12 (maven)
    		Create a notification for this product.
    Legion of the Bouncy Castle Inc. BC-FJA Affected: 1.0.0 , < 1.0.7 (maven)
    Affected: 2.0.0 , < 2.0.7 (maven)
    Affected: 2.1.0 , < 2.1.7 (maven)
    		Create a notification for this product.
    Legion of the Bouncy Castle Inc. BC-FJA Affected: 1.0.4 , < 1.0.7 (maven)
    Affected: 2.0.0 , < 2.0.7 (maven)
    Affected: 2.1.0 , < 2.1.7 (maven)
    		Create a notification for this product.
    Credits
    Alex Gaynor in collaboration with Claude and Anthropic Research
    Show details on NVD website
    To clipboard 

    {
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    "adp": [
      {
        "metrics": [
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                "id": "CVE-2026-59641",
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                  },
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          "shortName": "CISA-ADP"
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          "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/",
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          "packageURL": "pkg:maven/org.bouncycastle/bcmail-fips",
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              "status": "affected",
              "version": "2.0.0",
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              "status": "affected",
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        },
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          "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-fips/",
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          "packageName": "bcjmail-fips",
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      "source": {
        "discovery": "UNKNOWN"
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      "title": "S/MIME validator trusts signer-asserted signingTime for path validation",
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        "engine": "bc release-notes template"
      }
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  },
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