Vulnerability Details CVE-2026-42844
Grav is a file-based Web platform. In Grav 2.0.0-beta.2, a low-privileged authenticated API user with api.media.write can abuse /api/v1/blueprint-upload to write an arbitrary YAML file into user/accounts/, then log in as the newly created account with api.super privileges. This results in full administrative compromise of the Grav API. This vulnerability is fixed in API 1.0.0-beta.17.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 14.6%
CVSS Severity
CVSS v3 Score 8.8
References