What is CVE-2021-47748?

CVE-2021-47748 is a critical-severity vulnerability in Hasura Graphql, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-01-21.

How severe is CVE-2021-47748?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Hasura Graphql

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 Gra…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.010 (59.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Hasura Graphql — versions 1.3.3
Hasura Graphql_engine — versions 1.3.3

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

disclosure@vulncheck.com (Exploit, exploit)
disclosure@vulncheck.com (Product, product)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2021-47748?: CVE-2021-47748 is a critical-severity vulnerability in Hasura Graphql, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-01-21.
How severe is CVE-2021-47748?: Critical severity. CVSS v3 base score is 9.8 out of 10.