SSRF in Hasura Graphql Engine
CVE-2021-47715
Hasura GraphQL 1.3.3 contains a server-side request forgery vulnerability that allows attackers to inject arbitrary remote schema URLs through the add_remote_schema endpoint. Attackers can exploit the vulnerability by sending crafted POST requests to the /v1/query endpoint with malicious URL definitions to potentially access internal network resources.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (30.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Hasura Graphql Engine — versions 1.3.3
- Hasura Graphql — versions 1.3.3
Weakness classification (CWE)
References
- ExploitDB-49791 (Exploit, exploit)
- Hasura GraphQL Engine GitHub Repository (Product, product)
- VulnCheck Advisory: Hasura GraphQL 1.3.3 Server-Side Request Forgery via Remote Schema Injection (Exploit, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2021-47715?
- CVE-2021-47715 is a medium-severity vulnerability in Hasura Graphql Engine, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2025-12-22.
- How severe is CVE-2021-47715?
- Medium severity. CVSS v3 base score is 5.3 out of 10.