PT-2026-88524

Name of the Vulnerable Software and Affected Versions OpenIDC/cjose versions 0.6.1 through 0.6.2.5 Description When encrypting a JSON Web Encryption JWE using AES-CBC-HMAC content-encryption algorithms A128CBC-HS256, A192CBC-HS384, or A256CBC-HS512 combined with any key-management algorithm that...

CVE-2026-20355

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

CVE-2026-20354

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

EUVD-2026-70211

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

CVE-2026-20355 Cisco Secure Email S/MIME Ciphertext Decryption Vulnerabilty

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

CVE-2026-20355 Cisco Secure Email S/MIME Ciphertext Decryption Vulnerabilty

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

CVE-2026-20355

CVE-2026-20355 affects the S/MIME decryption functionality of Cisco Secure Email . The root cause is insufficient validation of message integrity , allowing an unauthenticated, remote attacker to use a machine-in-the-middle technique to intercept and modify traffic between email gateways and reco...

CVE-2026-20354 Cisco Secure Email S/MIME Ciphertext Decryption Vulnerabilty

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

EUVD-2026-70210

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

CVE-2026-20354

CVE-2026-20354 affects the S/MIME decryption functionality of Cisco Secure Email . The root cause is insufficient validation of message integrity , allowing an unauthenticated remote attacker to use a man-in-the-middle technique to intercept and modify traffic between email gateways. A successful...

Cisco Secure Email Secure/Multipurpose Internet Mail Extensions Ciphertext Decryption Vulnerabilities

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

SUSE CVE-2023-54356

Kyverno versions 1.9.4 and earlier support insecure 3DES cipher suites TLSECDHERSAWITH3DESEDECBCSHA and TLSRSAWITH3DESEDECBCSHA on their TLS endpoints. These 64-bit block ciphers are vulnerable to the Sweet32 attack CVE-2016-2183, which, over very long-lived TLS connections carrying large volumes...

CVE-2026-20355: Insufficient Verification of Data Authenticity

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

PT-2026-84814

Name of the Vulnerable Software and Affected Versions Cisco Secure Email affected versions not specified Description Insufficient validation of message integrity in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality allows an unauthenticated remote attacker to recove...

PT-2026-84815

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

CVE-2026-20354: Improper Validation of Integrity Check Value

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

CVE-2023-54356

Kyverno versions 1.9.4 and earlier support insecure 3DES cipher suites TLSECDHERSAWITH3DESEDECBCSHA and TLSRSAWITH3DESEDECBCSHA on their TLS endpoints. These 64-bit block ciphers are vulnerable to the Sweet32 attack CVE-2016-2183, which, over very long-lived TLS connections carrying large volumes...

EUVD-2023-60611

Kyverno versions 1.9.4 and earlier support insecure 3DES cipher suites TLSECDHERSAWITH3DESEDECBCSHA and TLSRSAWITH3DESEDECBCSHA on their TLS endpoints. These 64-bit block ciphers are vulnerable to the Sweet32 attack CVE-2016-2183, which, over very long-lived TLS connections carrying large volumes...

CVE-2023-54356 Kyverno before 1.9.5 Sweet32 Medium Strength Cipher Suites

Kyverno versions 1.9.4 and earlier support insecure 3DES cipher suites TLSECDHERSAWITH3DESEDECBCSHA and TLSRSAWITH3DESEDECBCSHA on their TLS endpoints. These 64-bit block ciphers are vulnerable to the Sweet32 attack CVE-2016-2183, which, over very long-lived TLS connections carrying large volumes...

CVE-2023-54356 Kyverno before 1.9.5 Sweet32 Medium Strength Cipher Suites

Kyverno versions 1.9.4 and earlier support insecure 3DES cipher suites TLSECDHERSAWITH3DESEDECBCSHA and TLSRSAWITH3DESEDECBCSHA on their TLS endpoints. These 64-bit block ciphers are vulnerable to the Sweet32 attack CVE-2016-2183, which, over very long-lived TLS connections carrying large volumes...