GHSA-mw85-cjh9-8hp7: Duplicate Advisory Grav: The System, Site, And Vulnerability
HIGHGHSA-mw85-cjh9-8hp7 is a HIGH (CVSS 6.5) grav: the system, site, and vulnerability (CWE-200: Exposure of Sensitive Information to an Unauthorized Actor) affecting Duplicate Advisory libraries in the Packagist ecosystem. The issue involves grav: the system, site, and theme twig variables bypass the content sandbox entirely and are never covered by config_denied_paths. Remediation is available in the latest vendor maintenance releases.
GHSA-mw85-cjh9-8hp7 at a Glance
Security Impact
CVSS: 6.5
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).
How to Fix GHSA-mw85-cjh9-8hp7
To remediate this vulnerability, upgrade all affected Duplicate Advisory dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade getgrav/grav to Latest secure release
Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for getgrav/grav
How to Check if You Are Affected
To determine whether your application is affected by GHSA-mw85-cjh9-8hp7, inspect your project dependencies for Duplicate Advisory:
inspect dependencies for getgrav/grav
Analyze the terminal output to locate any version of Duplicate Advisory in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor, where the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. In Duplicate Advisory, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
GHSA-mw85-cjh9-8hp7 Affected Duplicate Advisory Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
getgrav/grav
|
Packagist |
|
|
References
Frequently Asked Questions
What is GHSA-mw85-cjh9-8hp7?
Which Duplicate Advisory versions are affected?
What version fixes GHSA-mw85-cjh9-8hp7?
Is getgrav/grav affected?
What is the CVSS score of GHSA-mw85-cjh9-8hp7?
What CWE is associated with GHSA-mw85-cjh9-8hp7?
How can I check Packagist dependencies for GHSA-mw85-cjh9-8hp7?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-mw85-cjh9-8hp7",
"modified" : "2026-09-17T20:25:15Z",
"published" : "2026-08-25T03:32:09Z",
"withdrawn" : "2026-09-17T20:25:15Z",
"aliases" : [ ],
"summary" : "Duplicate Advisory: Grav: The system, site, and theme Twig variables bypass the content sandbox entirely and are never covered by config_denied_paths",
"details" : "### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-p597-crqc-m349. This link is maintained to preserve external references.\n\n### Original Description\nGrav CMS before 2.0.16 fails to filter system, site, and theme configuration arrays in sandboxed Twig renders, allowing content editors to read sensitive configuration values. Attackers with page-content edit access can access raw configuration arrays including secrets like cache credentials by using dot notation in Twig templates, bypassing the config_denied_paths restrictions.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
}, {
"type" : "CVSS_V4",
"score" : "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/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:X/V:X/RE:X/U:X"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Packagist",
"name" : "getgrav/grav"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
} ]
} ],
"database_specific" : {
"last_known_affected_version_range" : "< 2.0.16"
}
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/getgrav/grav/security/advisories/GHSA-p597-crqc-m349"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-72698"
}, {
"type" : "WEB",
"url" : "https://www.vulncheck.com/advisories/grav-cms-before-information-disclosure-via-twig-sandbox-bypass"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-200" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2026-09-17T20:25:15Z",
"nvd_published_at" : "2026-08-25T02:16:45Z"
}
}