CVE-2021-47748
Hasura GraphQL 1.3.3 - Remote Code Execution
CVSS v3
9.8
CRITICAL
EPSS Score
1.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
poc
SSVC status
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.
Technical details
- Published
- 2026-01-21
- Last Modified
- 2026-02-02
Frequently asked questions
What is CVE-2021-47748?
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.
Is CVE-2021-47748 actively exploited?
A proof-of-concept exploit exists for CVE-2021-47748, but active exploitation has not been confirmed at this time.
What is the CVSS score for CVE-2021-47748?
CVE-2021-47748 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-47748 affecting your environment?
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