Server-Side Request Forgery in Hasura GraphQL by Hasura Technologies
CVE-2021-47715

6.9MEDIUM

Key Information:

Vendor

Hasura

Status
Hasura Graphql
Vendor
CVE Published:
22 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47715?

The Hasura GraphQL version 1.3.3 is vulnerable to a server-side request forgery (SSRF) due to improper validation of remote schema URLs. Attackers can exploit this vulnerability through crafted POST requests to the /v1/query endpoint, enabling them to inject malicious URL definitions via the add_remote_schema endpoint. This may allow unauthorized access to sensitive internal network resources, posing significant risks to data integrity and confidentiality.

Affected Version(s)

Hasura GraphQL 1.3.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47715 - Proof of Concept

References

https://www.exploit-db.com/exploits/49791
exploit
https://github.com/hasura/graphql-engine
product
https://www.vulncheck.com/advisories/hasura-graphql-serve...
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Dolev Farhi
.