CVE-2026-40495

FOSSBilling prior to 0.8.0 leaks the exact system version via asset cache buster parameters in HTML output. The version is embedded in the query string of every [removed] and tag created by the script_tag and stylesheet_tag Twig filters, making it visible to all visitors, including unauthenticat...

CVE-2026-40495 FOSSBilling version exposed via asset cache buster

FOSSBilling is a free, open-source billing and client management system. Versions prior to 0.8.0 leak the exact system version through asset cache buster parameters in HTML output, bypassing the hideversionpublic security setting. The FOSSBilling version is embedded in the query string of every a...