CVE-2025-66844: Grav may be vulnerable to SSRF attack via Twig Templates

critical Affects getgrav/grav. Feed 2026.10.29.1, updated 2026-10-28; published 2025-12-15; advisory modified 2025-12-17.

Grav may be vulnerable to SSRF attack via Twig Templates

Package: getgrav/grav Composer
Affected versions: <=1.7.49.5
Fixed in: no fix recorded
Severity: critical CVSS 9.1
Exploitation: not on CISA KEV · EPSS 0% (21.6th percentile)
Published: 2025-12-15
Source: osv.dev

References

CWE-918

NVD record getgrav/grav advisories

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CVE-2020-11529 medium Open Redirect in Grav same package: getgrav/grav
CVE-2024-28116 high Server-Side Template Injection (SSTI) with Grav CMS security sandbox bypass same package: getgrav/grav
CVE-2026-61450 medium Grav: Twig sandbox config exfiltration via grav.offsetGet + dump filter (CVE-2026-44738 by same package: getgrav/grav