CVE-2026-77131
Cleartext Transmission of Sensitive Information in extension "SYSSY - TYPO3 Monitoring & Security Checks" (syssy)
- State
- Published
- Severity
- 5.3 Medium
- Published
- Aug 25, 2026
- Updated
- Aug 25, 2026
- Reserved
- Aug 20, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | 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 | TYPO3 |
Weaknesses
- CWE-319 Cleartext Transmission of Sensitive Information
Affected Products
| Product | Versions |
|---|---|
Extension "SYSSY - TYPO3 Monitoring & Security Checks"TYPO3 |
|
References
- https://typo3.org/security/advisory/typo3-ext-sa-2026-015vendor-advisory
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