CVE-2026-103529
Published Oct 12, 2026
Description
Thelia v2.6.0 permits authenticated administrators to upload and install modules via the ZIP upload function without validating or sandboxing embedded PHP code. An attacker can include malicious PHP code in a module's `install()` method which will then be executed upon installation, enabling remote code execution with the privileges of the web server.
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References
Other References
Frequently Asked Questions
What is CVE-2026-103529? +
Thelia v2.6.0 permits authenticated administrators to upload and install modules via the ZIP upload function without validating or sandboxing embedded PHP code. An attacker can include malicious PHP code in a module's `install()` method which will then be executed upon installation, enabling remote code execution with the privileges of the web server.
How do I check if I'm vulnerable to CVE-2026-103529? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.