CVE-2026-76839: Grav: UserInterface offsetget/offsetexists allow-listed in Twig sandbox let editor-authored content leak hashed_password and 2FA secrets via offsetGet()

high Affects getgrav/grav. Feed 2026.10.29.4, updated 2026-10-29; published .

Grav: UserInterface offsetget/offsetexists allow-listed in Twig sandbox let editor-authored content leak hashed_password and 2FA secrets via offsetGet()

Package
getgrav/grav Composer
Affected versions
<2.0.16
Fixed in
2.0.16
Severity
high  CVSS 7.7
Exploitation
not on CISA KEV · EPSS 0% (27.7th percentile)
Published
2026-09-17
Source
osv.dev

References

CWE-522
NVD recordgetgrav/grav advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
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