Grav: Twig sandbox config exfiltration via grav.offsetGet + dump filter (CVE-2026-44738 bypass)
Grav is a file-based Web platform. Prior to 2.0.2, the Grav Twig content sandbox permits grav.offsetGet('config') to return the raw configuration object and permits json_encode, print_r, yaml_encode, and string filters to serialize that object without passing through GravSecurityPolicy::checkMethodAllowed. A user with page-author permissions can render sandboxed content that exposes plugins.* configuration secrets, including SMTP credentials, API keys, and plugin database credentials. This issue is fixed in version 2.0.2.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-61450US | — | — | ||
Grav before 2.0.2 contains a Twig sandbox bypass that allows a page author (any admin.pages user, or anyone able to write to user/pages) to exfiltrate configuration secrets. Althou… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61842.jsonADVISORY
- https://github.com/getgrav/grav/commit/7efe70574e4cf01a251318478c13673029e93eb6FIX
- https://github.com/getgrav/grav/releases/tag/2.0.2WEB
- https://github.com/getgrav/grav/security/advisories/GHSA-mc5q-6hpj-rp7jADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-61842ADVISORY
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