Vulnerability · Published Jan 21, 2026 · Assigned by VulnCheck
CVE-2021-47748Hasura GraphQL 1.3.3 - Remote Code Execution
Critical 9.8
In plain English
A critical-severity OS command injection in GraphQL from Hasura. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 67% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.1%top 33.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-49802 exploit
- Hasura GraphQL Engine GitHub Repository product
- VulnCheck Advisory: Hasura GraphQL 1.3.3 - Remote Code Execution third-party-advisory