156020 matches found
EUVD-2026-91326
Improper certificate validation vulnerability in HAVELSAN Inc. Sef - AI Chatbot Platform allows Adversary in the Middle AiTM. This issue affects Sef - AI Chatbot Platform: before 2.1. NOTE: The vendor was contacted and it was learned that the product is not supported...
CVE-2026-63571
Improper verification of cryptographic signature in the attribute certificate path validator PkixAttrCertPathValidator, also used by PkixAttrCertPathBuilder in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a remote attacker to have a forged X.509 attribute certificate accepted as...
CVE-2026-63569
Improper input validation in DHAgreement.CalculateAgreement MTI/A0 two-pass Diffie-Hellman in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an on-path attacker to make the local party compute an agreed value the attacker already knows, defeating the key authentication MTI/A0 is...
EUVD-2026-91232
Improper certificate validation in PkixNameConstraintValidator in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who controls, or can obtain certificates from, a name-constrained intermediate CA to have certificates accepted during PKIX certification path validation fo...
CVE-2026-103602
The bc-csharp library by Legion of the Bouncy Castle Inc. versions before 2.7.0 is vulnerable to improper certificate validation in the PkixNameConstraintValidator component. The root cause is a failure to remove the RFC 1034 root-label trailing dot during comparison between names and constraints...
CVE-2026-103602 Name constraints bypass via trailing dot in rfc822Name, dNSName and URI hosts
Improper certificate validation in PkixNameConstraintValidator in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who controls, or can obtain certificates from, a name-constrained intermediate CA to have certificates accepted during PKIX certification path validation fo...
CVE-2026-63577 Name Constraints bypass: directoryName constraint matched at any position in the DN instead of as a prefix
Improper certificate validation in the directoryName name-constraint check PkixNameConstraintValidator.WithinDNSubtree in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who controls, or can have certificates issued by, a name-constrained intermediate CA to get...
CVE-2026-63576 URI name constraints checked against a mis-parsed host
Improper certificate validation in PkixNameConstraintValidator ExtractHostFromURL in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a name-constrained subordinate CA, or anyone able to obtain certificates with chosen subjectAltName URIs from such a CA, to bypass permitted or...
CVE-2026-63569
The bc-csharp library by Legion of the Bouncy Castle Inc. (versions before 2.7.0 ) is vulnerable to improper input validation in the DHAgreement.CalculateAgreement function during MTI/A0 two-pass Diffie-Hellman key exchanges. An on-path attacker can provide a crafted out-of-range or small-order e...
CVE-2026-63569 MTI/A0 DHAgreement does not validate the peer's ephemeral value
Improper input validation in DHAgreement.CalculateAgreement MTI/A0 two-pass Diffie-Hellman in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an on-path attacker to make the local party compute an agreed value the attacker already knows, defeating the key authentication MTI/A0 is...
CVE-2026-63569 MTI/A0 DHAgreement does not validate the peer's ephemeral value
Improper input validation in DHAgreement.CalculateAgreement MTI/A0 two-pass Diffie-Hellman in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an on-path attacker to make the local party compute an agreed value the attacker already knows, defeating the key authentication MTI/A0 is...
CVE-2026-63569 MTI/A0 DHAgreement does not validate the peer's ephemeral value
Improper input validation in DHAgreement.CalculateAgreement MTI/A0 two-pass Diffie-Hellman in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an on-path attacker to make the local party compute an agreed value the attacker already knows, defeating the key authentication MTI/A0 is...
CVE-2026-15999
The bc-csharp library by Bouncy Castle Inc. is vulnerable to improper validation of integrity check values in its AES-CCM implementation in versions before 2.7.0 . The CcmParameters class accepts arbitrary values for the authentication tag (aes-ICVlen), and CcmBlockCipher only validates this leng...
CVE-2026-15999 AES-CCM decryption accepts zero or out-of-range tag length, bypassing authentication
Improper validation of integrity check value in the AES-CCM implementation CcmParameters and CcmBlockCipher in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an on-path attacker to modify CCM-encrypted content without detection via an AlgorithmIdentifier whose CCMParameters declar...
CVE-2026-21140
Improper access control in ManagedProvisioning prior to SMR Sep-2026 Release 1 allows local attackers to install arbitrary applications...
CVE-2026-63045
A flaw was found in httpd. When configured as a forward proxy using the modproxyftp module, the server improperly validates the network address returned in a File Transfer Protocol FTP passive mode PASV response. A malicious FTP server can exploit this flaw by returning a crafted reply, forcing t...
CVE-2026-21140
Improper access control in ManagedProvisioning prior to SMR Sep-2026 Release 1 allows local attackers to install arbitrary applications...
CVE-2026-21140
A vulnerability exists in ManagedProvisioning prior to SMR Sep-2026 Release 1 due to improper access control . This flaw allows local attackers to install arbitrary applications on the affected system. Specific exploit details are not provided in the documents.