CVE-2026-77131 Cleartext Transmission of Sensitive Information in extension "SYSSY - TYPO3 Monitoring & Security Checks" (syssy)

When OpenSSL is unavailable on the server, the extension transmits TYPO3 system information in cleartext instead of encrypting it. Exploitation requires the attacker to already be in control of the SYSSY project's API key...

CVE-2026-77131

CVE-2026-77131 affects the TYPO3 extension SYSSY – TYPO3 Monitoring & Security Checks (syssy). When OpenSSL is unavailable on the server, the extension transmits TYPO3 system information in cleartext instead of encrypting it, resulting in a cleartext transmission of sensitive data. Exploitation r...