CVE-2020-37044: PYSEC-2026-115 - OpenCTI 3.3.1 is vulnerable to a reflected cross-site scripting (XSS) attack via the /graphql…

CVE-2020-37044 · Severity: low · CVSS 3.1 · Published 2026-01-30

OpenCTI 3.3.1 is vulnerable to a reflected cross-site scripting (XSS) attack via the /graphql endpoint. An attacker can inject arbitrary JavaScript code by sending a crafted GET request with a malicious payload in the query string, leading to execution of JavaScript in the victim's browser. For example, a request to /graphql?'"--></style></scRipt><scRipt>alert('Raif_Berkay')</scRipt> will trigger an alert. This vulnerability was discovered by Raif Berkay Dincel and confirmed on Linux Mint and Windows 10.

Technologies: pycti (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2020-37044 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-37044 being exploited in the wild.
How severe is CVE-2020-37044?
Low severity, with a CVSS score of 3.1, published 30 January 2026.
Which products and versions are affected?
pycti (PyPI) ECOSYSTEM:introduced=0,last_affected=3.3.1.
Is there a fix for CVE-2020-37044?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2020-37044?
Check whether you run pycti (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • pycti (PyPI) ECOSYSTEM:introduced=0,last_affected=3.3.1

Identifiers

  • CVE-2020-37044
  • PYSEC-2026-115

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