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 GraphQL queries that execute system commands through PostgreSQL's COPY FROM PROGRAM functionality.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.011 (65.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: -0.000
Affected products
- Hasura Graphql — versions 1.3.3
- Hasura Graphql Engine — versions 1.3.3
Weakness classification (CWE)
References
- ExploitDB-49802 (Exploit, exploit)
- Hasura GraphQL Engine GitHub Repository (Product, product)
- VulnCheck Advisory: Hasura GraphQL 1.3.3 - Remote Code Execution (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.