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6 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
EPSS
VEX
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)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-16 14:01 UTC
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/simplesamlphp/xml-security/sec… | x_refsource_CONFIRM |
| https://github.com/simplesamlphp/xml-security/com… | x_refsource_MISC |
| https://github.com/simplesamlphp/xml-security/com… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| simplesamlphp | xml-security |
Affected:
>= 2.0.0, < 2.3.1
Affected: < 1.13.9 |
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CVE-2024-34580 (GCVE-0-2024-34580)
Vulnerability from nvd – Published: 2024-06-26 00:00 – Updated: 2024-08-08 17:18 Disputed
VLAI
EPSS
VEX
Summary
Apache XML Security for C++ through 2.0.4 implements the XML Signature Syntax and Processing (XMLDsig) specification without protection against an SSRF payload in a KeyInfo element. NOTE: the project disputes this CVE Record on the grounds that any vulnerabilities are the result of a failure to configure XML Security for C++ securely. Even when avoiding this particular issue, any use of this library would need considerable additional code and a deep understanding of the standards and protocols involved to arrive at a secure implementation for any particular use case. We recommend against continued direct use of this library.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-26 15:02 UTC
CWE
- n/a
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| simplesamlphp | xml-security |
Affected:
0 , ≤ 2.0.4
(custom)
cpe:2.3:a:simplesamlphp:xml-security:1.6.11:*:*:*:*:*:*:* |
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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
EPSS
VEX
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)
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/simplesamlphp/xml-security/sec… | x_refsource_CONFIRM |
| https://github.com/simplesamlphp/xml-security/com… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| simplesamlphp | xml-security |
Affected:
= 1.6.11
Affected: = 5.0.0-alpha.12 |
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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
EPSS
VEX
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)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-16 14:01 UTC
CWE
- CWE-354 - Improper Validation of Integrity Check Value
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/simplesamlphp/xml-security/sec… | x_refsource_CONFIRM |
| https://github.com/simplesamlphp/xml-security/com… | x_refsource_MISC |
| https://github.com/simplesamlphp/xml-security/com… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| simplesamlphp | xml-security |
Affected:
>= 2.0.0, < 2.3.1
Affected: < 1.13.9 |
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CVE-2024-34580 (GCVE-0-2024-34580)
Vulnerability from cvelistv5 – Published: 2024-06-26 00:00 – Updated: 2024-08-08 17:18 Disputed
VLAI
EPSS
VEX
Summary
Apache XML Security for C++ through 2.0.4 implements the XML Signature Syntax and Processing (XMLDsig) specification without protection against an SSRF payload in a KeyInfo element. NOTE: the project disputes this CVE Record on the grounds that any vulnerabilities are the result of a failure to configure XML Security for C++ securely. Even when avoiding this particular issue, any use of this library would need considerable additional code and a deep understanding of the standards and protocols involved to arrive at a secure implementation for any particular use case. We recommend against continued direct use of this library.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-26 15:02 UTC
CWE
- n/a
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| simplesamlphp | xml-security |
Affected:
0 , ≤ 2.0.4
(custom)
cpe:2.3:a:simplesamlphp:xml-security:1.6.11:*:*:*:*:*:*:* |
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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
EPSS
VEX
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)
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/simplesamlphp/xml-security/sec… | x_refsource_CONFIRM |
| https://github.com/simplesamlphp/xml-security/com… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| simplesamlphp | xml-security |
Affected:
= 1.6.11
Affected: = 5.0.0-alpha.12 |
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