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.

CVSS v4.0

9.3 CRITICALCVSS: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:X/V:X/RE:X/U:X

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

1.06% chance of exploitation in the next 30 days, 62th percentile

Published

2026-01-21

Updated

2026-07-28

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/49802

References

• CVE Record
• NVD entry

Related

• CVE-2021-47747
• CVE-2021-47749
• CVE-2021-47746
• CVE-2021-47750
• CVE-2021-47745
• CVE-2021-47751