CVE-2026-21887 OpenCTI has a Semi-Blind SSRF via Unvalidated External URL in Data Ingestion Feature
| Reporter | Title | Published | Views | Family All 13 |
|---|---|---|---|---|
 | CVE-2026-21887 | 12 Mar 202617:00 | – | attackerkb |
 | CVE-2026-21887 | 12 Mar 202617:17 | – | circl |
 | OpenCTI 代码问题漏洞 | 12 Mar 202600:00 | – | cnnvd |
 | CVE-2026-21887 | 12 Mar 202617:00 | – | cve |
 | EUVD-2026-11599 | 22 Jun 202617:01 | – | euvd |
 | OpenCTI has Semi-Blind SSRF via Unvalidated External URL in Data Ingestion Feature | 22 Jun 202617:01 | – | github |
 | CVE-2026-21887 | 12 Mar 202617:16 | – | nvd |
 | GHSA-FFM6-VVPH-G5F5 OpenCTI has Semi-Blind SSRF via Unvalidated External URL in Data Ingestion Feature | 22 Jun 202617:01 | – | osv |
| PYSEC-2026-118 | 12 Mar 202617:16 | – | osv |
 | PT-2026-25009 | 12 Mar 202600:00 | – | ptsecurity |
10
[
{
"vendor": "OpenCTI-Platform",
"product": "opencti",
"versions": [
{
"version": "< 6.8.16",
"status": "affected"
}
]
}
]Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation
12 Mar 2026 17:00Current
CVSS 3.17.7
EPSS0.00212