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CVE-2026-21887

🗓️ 12 Mar 2026 17:00:43Reported by AttackerKBType 
attackerkb
 attackerkb
🔗 attackerkb.com👁 1 Views

OpenCTI data ingestion allows unvalidated endpoints, enabling server-side forgery; fixed in 6.8.16.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-21887
12 Mar 202617:17
circl
CNNVD
OpenCTI 代码问题漏洞
12 Mar 202600:00
cnnvd
CVE
CVE-2026-21887
12 Mar 202617:00
cve
Cvelist
CVE-2026-21887 OpenCTI has a Semi-Blind SSRF via Unvalidated External URL in Data Ingestion Feature
12 Mar 202617:00
cvelist
EUVD
EUVD-2026-11599
12 Mar 202617:00
euvd
NVD
CVE-2026-21887
12 Mar 202617:16
nvd
OSV
CVE-2026-21887 OpenCTI has a Semi-Blind SSRF via Unvalidated External URL in Data Ingestion Feature
12 Mar 202617:00
osv
OSV
PYSEC-2026-118
12 Mar 202617:16
osv
Positive Technologies
PT-2026-25009
12 Mar 202600:00
ptsecurity
PyPA
PYSEC-2026-118
12 Mar 202617:16
pypa
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12 Mar 2026 17:32Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.7
EPSS0.00044
SSVC
1