Hasura GraphQL 1.3.3 - Remote Code Execution | Advisories

Advisories

Hasura GraphQL 1.3.3 - Remote Code Execution

severity: critical
date: January 21, 2026
Affecting: GraphQL 1.3.3
CVE: CVE-2021-47748
CWE: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVSS: 9.3
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References: ExploitDB-49802
Hasura GraphQL Engine GitHub Repository
Credit: Dolev Farhi
Description: Hasura GraphQL 1.3.3 contains a remote code execution vulnerability that allows attackers to execute arbitrary shell commands through SQL query manipulation. Attackers can inject commands into the run_sql endpoint by crafting malicious GraphQL queries that execute system commands through PostgreSQL's COPY FROM PROGRAM functionality.