CVE-2021-47748

CRITICAL
2026-01-21 [email protected]
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Feb 02, 2026 - 18:11 vuln.today
Public exploit code
CVE Published
Jan 21, 2026 - 18:16 nvd
CRITICAL 9.8

Tags

PostgreSQL RCE Graphql Engine

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.

Analysis

Hasura GraphQL 1.3.3 has a remote code execution vulnerability allowing attackers to execute arbitrary shell commands through the GraphQL endpoint.

Technical Context

Hasura GraphQL Engine 1.3.3 has a CWE-78 OS command injection vulnerability that allows attackers to inject and execute shell commands through crafted GraphQL queries or metadata operations.

Affected Products

['Hasura GraphQL 1.3.3']

Remediation

Upgrade Hasura GraphQL Engine. Restrict access to the GraphQL endpoint. Implement query complexity limits.

Priority Score

70
Low Medium High Critical
KEV: 0
EPSS: +0.5
CVSS: +49
POC: +20

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CVE-2021-47748 vulnerability details – vuln.today
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