CVE-2026-77131
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.
Published:Aug 25, 2026
Last Modified:Aug 28, 2026
EPS:Aug 25, 2026
EPSS Score:0.00152
CVSS Score:5.3
Affected Products
Vendor
Product
Action
Vendor
Typo3
Product
Extension "syssy - Typo3 Monitoring & Security Checks"
Typo3
Extension "syssy - Typo3 Monitoring & Security Checks"
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
