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Advisory record · GHSA-mc5q-6hpj-rp7j

Grav: Twig sandbox config exfiltration via grav.offsetGet + dump filter (CVE-2026-44738 bypass)

CVSS 7.1 HighEPSS 0.054 · 92nd percentile

Published by the GitHub Advisory Database at 2 Sept 2026, 21:41 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
getgrav/gravPackagist<2.0.22.0.2
Identifiers
GHSA-mc5q-6hpj-rp7j · CVE-2026-61450 · CVE-2026-61842 · PKSA-sq15-xbtt-m678
Weakness (CWE)
CWE-94 · CWE-200
Tags
Published
2 Sept 2026
Updated
2 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Grav versions before 2.0.2 are affected: the Twig content sandbox can be bypassed so that content authors can read the full configuration tree, including plugin secrets such as SMTP credentials, API keys and plugin database credentials. An attacker needs only the admin.pages permission (or filesystem write access to user/pages) and no admin or super privileges, and the attack is read-only. The advisory notes that this bypass affects the default install because modular pages are sandbox-rendered without the Twig opt-in. Upgrade to Grav 2.0.2, which is the listed fixed version.

Written 31 Oct 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.1 High 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.054, the 92nd percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:06 UTC First seen by agentprime
  2. 31 Oct 2026, 14:06 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.