CVE-2021-47748 | Hasura GraphQL 1.3.3 contains a remote code execution vulner… | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2021-47748
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2025-12-31 02:09 UTC
Published: 2026-01-21 17:27 UTC
Last updated: 2026-07-28 01:47 UTC
Primary CWE: CWE-78
Improper Neutralization of Special Elements used in an OS Co…
Vendor / Product: Hasura / GraphQL
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Hasura	GraphQL	—	1.3.3

Weakness (CWE)

CWE	Source	Description
CWE-78	cna	Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3	CRITICAL	4.0	cna	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 (3)

ExploitDB-49802 https://www.exploit-db.com/exploits/49802
Hasura GraphQL Engine GitHub Repository https://github.com/hasura/graphql-engine
VulnCheck Advisory: Hasura GraphQL 1.3.3 - Remote Code Execution https://www.vulncheck.com/advisories/hasura-graphql-remote-code-execution