CVE-2026-77131

Medium

Open

TLP:CLEAR

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

NVD CVE.org

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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.

Details

CVSS Score: 5.3
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Confidence: 90%
Published: Aug 25, 2026
Last Modified: Aug 25, 2026

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