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VULNERABILITIES

CVE-2026-75827 Details

UNDERGOING ENRICHMENT

The CVE is currently being enriched by the Volerion team. The enrichment process results in the association of reference link tags, CVSS, and CPE applicability statement data.

Description

Grav before 2.0.15 contains an arbitrary file write vulnerability in the Blueprint dynamic-data bare-function validation that uses an incomplete denylist instead of a positive allowlist. Attackers with page-edit or blueprint-config access can invoke the error_log function through a data directive to append PHP payloads to web-accessible files, achieving remote code execution.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:…Vector:This vulnerability is currently being analyzed.
CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/getgrav/grav/security/advisories/GHSA-f8wv-xp27-6gq7 CISA-ADP
https://github.com/getgrav/grav/security/advisories/GHSA-f8wv-xp27-6gq7 [email protected]
https://www.vulncheck.com/advisories/grav-before-arbitrary-file-write-via-error-log [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-94Improper Control of Generation of Code ('Code Injection')[email protected]

Affected Products

This vulnerability is currently being analyzed

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-75827
NVD Published Date:
Aug 18, 2026
NVD Last Modified:
Sep 8, 2026
Source:
[email protected]
CVE-2026-75827 Details - Not Deferred