PYSEC-2026-115
Vulnerability from pysec - Published: 2026-01-30 23:16 - Updated: 2026-05-20 14:41
VLAI?
Details
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?'"-->alert('Raif_Berkay') will trigger an alert. This vulnerability was discovered by Raif Berkay Dincel and confirmed on Linux Mint and Windows 10.
Severity ?
6.1 (Medium)
Impacted products
| Name | purl | pycti | pkg:pypi/pycti |
|---|
Aliases
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "pycti",
"purl": "pkg:pypi/pycti"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{}
],
"type": "ECOSYSTEM"
}
],
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}
],
"aliases": [
"CVE-2020-37044"
],
"details": "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\u0027s browser. For example, a request to /graphql?\u0027\"--\u003e\u003c/style\u003e\u003c/scRipt\u003e\u003cscRipt\u003ealert(\u0027Raif_Berkay\u0027)\u003c/scRipt\u003e will trigger an alert. This vulnerability was discovered by Raif Berkay Dincel and confirmed on Linux Mint and Windows 10.",
"id": "PYSEC-2026-115",
"modified": "2026-05-20T14:41:05.643690Z",
"published": "2026-01-30T23:16:10.257Z",
"references": [
{
"type": "WEB",
"url": "https://www.opencti.io/"
},
{
"type": "ADVISORY",
"url": "https://www.vulncheck.com/advisories/opencti-cross-site-scripting"
},
{
"type": "PACKAGE",
"url": "https://github.com/OpenCTI-Platform/opencti"
},
{
"type": "EVIDENCE",
"url": "https://www.exploit-db.com/exploits/48595"
}
],
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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