Vulnerability record · CVE-2021-47748 · published 21 January 2026

CVE-2021-47748: Hasura graphql engine os command injection vulnerability

Hasura · Graphql Engine

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.

9.3 CVSS 4.0 Critical EPSS 1.1% · top 34.5% CWE-78 · OS command injection

9.3CVSS 4.0 base score

1.1%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

3References, 1 tagged exploit

17 Jun 2026Last modified by NVD

Description

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Graphql Engine Hasura

References

Link	Tags
https://github.com/hasura/graphql-engine	Product
https://www.exploit-db.com/exploits/49802	Exploit
https://www.vulncheck.com/advisories/hasura-graphql-remote-code-execution	Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-47748), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.