CVE-2026-42552
Flight: Sensitive information disclosure via default error handler in flightphp/core
HIGH 7.5EPSS 0.4%
Flight is an extensible micro-framework for PHP. Prior to 3.18.1, the default error handler Engine::_error() writes the full exception message, exception code, and stack trace (including absolute filesystem paths) directly into the HTTP 500 response, with no debug gating. Production deployments leak internal paths, any secret interpolated into an exception message, and full module structure — giving attackers primitives for chaining other weaknesses (LFI, path traversal). This vulnerability is fixed in 3.18.1.
- Affected
- flightphp · core
- CVSS v3.1 GITHUB
- 7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - EPSS
- 0.42% chance of exploitation in the next 30 days, 34th percentile
- Published
- 2026-05-13
- Updated
- 2026-05-15