A AegiFlow
CRITICALCVSS 9.3EPSS 0.8%

CVE-2026-75827

CVE-2026-75827 updated by NVD

Published
2026-09-17
Modified
2026-09-17
EPSS percentile
54%
Sources
github-advisory, nvd

Summary

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.

Affected packages

EcosystemPackageAffected versionsFixed versions
Packagistgetgrav/grav2.0.15

Remediation: Upgrade to 2.0.15 or later.

References

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.

EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.