CVE-2026-77131Cleartext Transmission of Sensitive Information in extension "SYSSY - TYPO3 Monitoring & Security Checks" (syssy)
Updated under an hour ago ()
Does this affect you?
It affects TYPO3 Extension "SYSSY - TYPO3 Monitoring & Security Checks". Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.3 MEDIUM (v4.0, CNA)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
- Weakness (CWE)
- CWE-319
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- TYPO3
- NVD analysis
- Deferred
- Record last updated
- Aug 25, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
TYPO3 Extension "SYSSY - TYPO3 Monitoring & Security Checks" typo3:extension_syssy_typo3_monitoring_and_security_checks (from the name) | before 3.0.6 | CNA record |
References
- https://typo3.org/security/advisory/typo3-ext-sa-2026-015vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.