Pimcore ENV Variables and Cookie Informations are exposed in http_error_log
### Summary The http_error_log file stores the $_COOKIE and $_SERVER variables, which means sensitive information such as database passwords, cookie session data, and other details can be accessed or recovered through the Pimcore backend. ### Details It’s better to remove both lines, as this information makes little sense in this context anyway. https://github.com/pimcore/pimcore/blob/12.x/bundles/SeoBundle/src/EventListener/ResponseExceptionListener.php#L92 https://github.com/pimcore/pimcore/blob/12.x/bundles/SeoBundle/src/EventListener/ResponseExceptionListener.php#L93 ### PoC In the Pimcore backend, navigate to "Search Engine Optimization" and click on "HTTP Errors." Double-click on an entry to view its details. Here, you may find sensitive data exposed. ### Impact Pimcore backend users can access sensitive environment variables, potentially exposing critical information.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-23493US | medium4.9 | — | ||
Pimcore is an Open Source Data & Experience Management Platform. Prior to 12.3.1 and 11.5.14, the http_error_log file stores the $_COOKIE and $_SERVER variables, which means sensit… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/pimcore/pimcorePACKAGE
- https://github.com/pimcore/pimcore/commit/002ec7d5f84973819236796e5b314703b58e8601WEB
- https://github.com/pimcore/pimcore/pull/18918WEB
- https://github.com/pimcore/pimcore/releases/tag/v11.5.14WEB
- https://github.com/pimcore/pimcore/releases/tag/v12.3.1WEB
- https://github.com/pimcore/pimcore/security/advisories/GHSA-q433-j342-rp9hWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-23493ADVISORY
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