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    4 vulnerabilities found for xml-security by simplesamlphp

    CVE-2026-32600 (GCVE-0-2026-32600)

    Vulnerability from nvd – Published: 2026-03-13 19:58 – Updated: 2026-03-16 14:03
    VLAI
    Title
    xml-security is Missing AES-GCM Authentication Tag Validation on Encrypted Nodes Allows for Unauthorized Decryption
    Summary
    xml-security is a library that implements XML signatures and encryption. Prior to versions 2.3.1 and 1.13.9, XML nodes encrypted with either aes-128-gcm, aes-192-gcm, or aes-256-gcm lack validation of the authentication tag length. An attacker can use this to brute-force an authentication tag, recover the GHASH key, and decrypt the encrypted nodes. It also allows to forge arbitrary ciphertexts without knowing the encryption key. This vulnerability is fixed in 2.3.1 and 1.13.9.
    Severity
    8.2 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-354 - Improper Validation of Integrity Check Value
    Assigner
    References
    Impacted products
    Vendor Product Version
    simplesamlphp xml-security Affected: >= 2.0.0, < 2.3.1
    Affected: < 1.13.9
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2023-49087 (GCVE-0-2023-49087)

    Vulnerability from nvd – Published: 2023-11-30 05:20 – Updated: 2024-08-02 21:46
    VLAI
    Title
    Validation of SignedInfo
    Summary
    xml-security is a library that implements XML signatures and encryption. Validation of an XML signature requires verification that the hash value of the related XML-document matches a specific DigestValue-value, but also that the cryptographic signature on the SignedInfo-tree (the one that contains the DigestValue) verifies and matches a trusted public key. If an attacker somehow (i.e. by exploiting a bug in PHP's canonicalization function) manages to manipulate the canonicalized version's DigestValue, it would be possible to forge the signature. This issue has been patched in version 1.6.12 and 5.0.0-alpha.13.
    Severity
    6.8 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N
    CWE
    • CWE-345 - Insufficient Verification of Data Authenticity
    Assigner
    References
    Impacted products
    Vendor Product Version
    simplesamlphp xml-security Affected: = 1.6.11
    Affected: = 5.0.0-alpha.12
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-32600 (GCVE-0-2026-32600)

    Vulnerability from cvelistv5 – Published: 2026-03-13 19:58 – Updated: 2026-03-16 14:03
    VLAI
    Title
    xml-security is Missing AES-GCM Authentication Tag Validation on Encrypted Nodes Allows for Unauthorized Decryption
    Summary
    xml-security is a library that implements XML signatures and encryption. Prior to versions 2.3.1 and 1.13.9, XML nodes encrypted with either aes-128-gcm, aes-192-gcm, or aes-256-gcm lack validation of the authentication tag length. An attacker can use this to brute-force an authentication tag, recover the GHASH key, and decrypt the encrypted nodes. It also allows to forge arbitrary ciphertexts without knowing the encryption key. This vulnerability is fixed in 2.3.1 and 1.13.9.
    Severity
    8.2 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-354 - Improper Validation of Integrity Check Value
    Assigner
    References
    Impacted products
    Vendor Product Version
    simplesamlphp xml-security Affected: >= 2.0.0, < 2.3.1
    Affected: < 1.13.9
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2023-49087 (GCVE-0-2023-49087)

    Vulnerability from cvelistv5 – Published: 2023-11-30 05:20 – Updated: 2024-08-02 21:46
    VLAI
    Title
    Validation of SignedInfo
    Summary
    xml-security is a library that implements XML signatures and encryption. Validation of an XML signature requires verification that the hash value of the related XML-document matches a specific DigestValue-value, but also that the cryptographic signature on the SignedInfo-tree (the one that contains the DigestValue) verifies and matches a trusted public key. If an attacker somehow (i.e. by exploiting a bug in PHP's canonicalization function) manages to manipulate the canonicalized version's DigestValue, it would be possible to forge the signature. This issue has been patched in version 1.6.12 and 5.0.0-alpha.13.
    Severity
    6.8 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N
    CWE
    • CWE-345 - Insufficient Verification of Data Authenticity
    Assigner
    References
    Impacted products
    Vendor Product Version
    simplesamlphp xml-security Affected: = 1.6.11
    Affected: = 5.0.0-alpha.12
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    "cveId": "CVE-2023-49087",
    "datePublished": "2023-11-30T05:20:28.298Z",
    "dateReserved": "2023-11-21T18:57:30.429Z",
    "dateUpdated": "2024-08-02T21:46:29.195Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}