CVE-2026-76846

Summary

Grav before 2.0.16 contains an incomplete default denylist in the Twig sandbox configuration that fails to block access to system configuration secrets. Attackers with page-edit permission can use config.get() or config.toArray() in Twig templates to retrieve sensitive values like system.cache.redis.password when config_access is enabled.

Affected Software

Weaknesses

• CWE-522: Insufficiently Protected Credentials

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

Additional References

• https://github.com/getgrav/grav/security/advisories/GHSA-xjw5-q542-3vmr

References

• https://github.com/getgrav/grav/security/advisories/GHSA-xjw5-q542-3vmr
• https://www.vulncheck.com/advisories/grav-before-information-disclosure-via-twig-sandbox

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