CVE-2026-77131
TYPO3 Extension "SYSSY - TYPO3 Monitoring & Security Checks"
Published 25 Aug 2026 · updated 26 Aug 2026 · Deferred
5.3 Medium · CVSS 4.0, CNA
Description
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.