CVE-2026-61450: 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

mediumCVSS 6.5CVE-2026-61450

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. Although the sandbox replaces the 'config' variable with a redacted facade and strips Config::get/toArray from the method allowlist, the raw container remains accessible via the allow-listed grav.offsetGet('config'), which returns the real Config object. Allow-listed object-dumping filters (json_encode, print_r, yaml_encode) then serialize that object at the PHP level without invoking the sandbox method gate, exposing the full config tree including plugin secrets such as SMTP credentials, API keys, and plugin DB credentials. This is an incomplete fix for GHSA-j274-39qw-32c9.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: medium — CVSS 6.5
Published: 2026-07-10
Last updated: 2026-07-10
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-61450

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-614500.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-61450	coverage & exploitation status	NVD · CVE.org

Recent advisories for Grav

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

mediumCVE-2026-59193: Grav is a file-based Web platform. Prior to 2.0.0, an authenticated admin.super user can crash…nvd · 2026-07-10
unknownCVE-2026-59190: grav-plugin-admin is an HTML user interface that provides a way to configure Grav and create a…nvd · 2026-07-10
unknownCVE-2026-58493: grav-plugin-database is the database plugin for Grav CMS. Prior to 1.2.0, Database::__call bui…nvd · 2026-07-10
unknownCVE-2026-58492: grav-plugin-database is the database plugin for Grav CMS. Prior to 1.2.0, the PDO::tableExists…nvd · 2026-07-10
mediumCVE-2026-55890: Grav is a file-based Web platform. Prior to 2.0.0-rc.9, Grav's incomplete fix for stored XSS t…nvd · 2026-07-10
mediumCVE-2026-55885: Grav is a file-based Web platform. Prior to 1.7.53, an authenticated administrator with backup…nvd · 2026-07-10

CVE-2026-61450: 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

Details

Exploitation outlook

Referenced CVEs

Recent advisories for Grav

More from NVD Recent CVEs