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Vulnerability record · CVE-2026-76846 · published 25 August 2026

CVE-2026-76846: Insufficiently protected credentials vulnerability

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.

8.7 CVSS 4.0 High EPSS 0.41% · top 67.4% CWE-522 · Insufficiently protected credentials Deferred
8.7CVSS 4.0 base score
0.41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
31 Aug 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-76846), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.