CVE-2026-15243 Improper Validation of Certificate in CAS Client

Apereo CAS Client accepts any CA-trusted certificate for any hostname, provided the URL the client is calling matches the configured allowlist or regex. An attacker with a MITM position DNS poisoning, rogue Wi-Fi, malicious proxy, etc. can provide any CA-signed certificate for a hostname that...

EUVD-2026-48560

Apereo CAS Client accepts any CA-trusted certificate for any hostname, provided the URL the client is calling matches the configured allowlist or regex. An attacker with a MITM position DNS poisoning, rogue Wi-Fi, malicious proxy, etc. can provide any CA-signed certificate for a hostname that...

CVE-2026-15243 Improper Validation of Certificate in CAS Client

Apereo CAS Client accepts any CA-trusted certificate for any hostname, provided the URL the client is calling matches the configured allowlist or regex. An attacker with a MITM position DNS poisoning, rogue Wi-Fi, malicious proxy, etc. can provide any CA-signed certificate for a hostname that...

PT-2026-64277

Name of the Vulnerable Software and Affected Versions Apereo CAS Client version 4.1.0 Jasig CAS Client version 3.6.4 Description The software accepts any CA-trusted certificate for any hostname as long as the URL being called matches the configured allowlist or regex. A Man-in-the-Middle MITM...

CVE-2026-15243: Improper Validation of Certificate with Host Mismatch

Apereo CAS Client accepts any CA-trusted certificate for any hostname, provided the URL the client is calling matches the configured allowlist or regex. An attacker with a MITM position DNS poisoning, rogue Wi-Fi, malicious proxy, etc. can provide any CA-signed certificate for a hostname that...

CVE-2026-45074: Authentication Bypass by Spoofing

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 7.1.0 until 7.4.12 and 8.0.12, Cas2Handler builds the CAS service parameter from Request::getSchemeAndHttpHost, which reflects an attacker-controlled Host header when framework.trustedhosts is n...

CVE-2026-59099

Apereo CAS 7.3.0 before 8.0.0-RC6 contains a cryptographic vulnerability that allows remote unauthenticated attackers to recover plaintext conversation state by exploiting AES-GCM initialization vector reuse across the server lifetime. Attackers can collect multiple client-side webflow execution...

CVE-2026-59099

Apereo CAS: vulnerability in 7.3.0 prior to 8.0.0-RC6 due to AES-GCM IV reuse across server lifetime, enabling remote unauthenticated attackers to recover plaintext webflow conversation state by known-plaintext analysis on multiple client-side webflow tokens collected from the unauthenticated log...

CVE-2026-59099

Apereo CAS 7.3.0 before 8.0.0-RC6 contains a cryptographic vulnerability that allows remote unauthenticated attackers to recover plaintext conversation state by exploiting AES-GCM initialization vector reuse across the server lifetime. Attackers can collect multiple client-side webflow execution...

CVE-2026-59099 Apereo CAS 7.3.0 < 8.0.0-RC6 - AES-GCM Nonce Reuse Information Disclosure

Apereo CAS 7.3.0 before 8.0.0-RC6 contains a cryptographic vulnerability that allows remote unauthenticated attackers to recover plaintext conversation state by exploiting AES-GCM initialization vector reuse across the server lifetime. Attackers can collect multiple client-side webflow execution...

CVE-2026-59099 Apereo CAS 7.3.0 < 8.0.0-RC6 - AES-GCM Nonce Reuse Information Disclosure

Apereo CAS 7.3.0 before 8.0.0-RC6 contains a cryptographic vulnerability that allows remote unauthenticated attackers to recover plaintext conversation state by exploiting AES-GCM initialization vector reuse across the server lifetime. Attackers can collect multiple client-side webflow execution...

CVE-2026-59099 Apereo CAS 7.3.0 < 8.0.0-RC6 - AES-GCM Nonce Reuse Information Disclosure

Apereo CAS 7.3.0 before 8.0.0-RC6 contains a cryptographic vulnerability that allows remote unauthenticated attackers to recover plaintext conversation state by exploiting AES-GCM initialization vector reuse across the server lifetime. Attackers can collect multiple client-side webflow execution...

PT-2026-55299

Name of the Vulnerable Software and Affected Versions Apereo CAS versions 7.3.0 through 8.0.0-RC5 Description A cryptographic issue allows remote unauthenticated attackers to recover plaintext conversation state. This occurs because the system reuses the AES-GCM initialization vector IV across th...

CVE-2026-59099: Reusing a Nonce, Key Pair in Encryption

Apereo CAS 7.3.0 before 8.0.0-RC6 contains a cryptographic vulnerability that allows remote unauthenticated attackers to recover plaintext conversation state by exploiting AES-GCM initialization vector reuse across the server lifetime. Attackers can collect multiple client-side webflow execution...

The vulnerability of the cas-auth plugin for the Apache APISIX cloud API gateway allows a attacker to perform a CSRF attack.

The vulnerability of the cas-auth plugin for the Apache APISIX cloud API lies in the manipulation of cross-site requests. Exploiting this vulnerability allows a malicious actor to perform a CSRF attack remotely...

MAL-2026-6664 Malicious code in hrb-cas-auth-js (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware ccfa589a59f63f85fca72ce4582bfa37b0b480078b00627f1e1612e0a7d8d5d3 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Malicious code in hrb-cas-auth-js (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware ccfa589a59f63f85fca72ce4582bfa37b0b480078b00627f1e1612e0a7d8d5d3 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

DEBIAN-CVE-2026-55964

Chain intermediate CA:TRUE without keyCertSign accepted as a signing CA. Intermediate CA certificates are required to have the keyCertSign key usage when a Key Usage extension is present, but chain-supplied temporary CAs WOLFSSLTEMPCA added while building a certificate path were previously exempt...

UBUNTU-CVE-2026-55964

Chain intermediate CA:TRUE without keyCertSign accepted as a signing CA. Intermediate CA certificates are required to have the keyCertSign key usage when a Key Usage extension is present, but chain-supplied temporary CAs WOLFSSLTEMPCA added while building a certificate path were previously exempt...

EUVD-2026-39544

Chain intermediate CA:TRUE without keyCertSign accepted as a signing CA. Intermediate CA certificates are required to have the keyCertSign key usage when a Key Usage extension is present, but chain-supplied temporary CAs WOLFSSLTEMPCA added while building a certificate path were previously exempt...