HomeCVE Intelligence › CVE-2026-66005
CVSS 6.3 MEDIUM 🔴 ACTIVELY EXPLOITED Security Vulnerability

CVE-2026-66005: Jan through 0.8.4, fixed in commit 3e1c1e7, contains a CORS misconfiguration vulnerabilit…

Jan through 0.8.4, fixed in commit 3e1c1e7, contains a CORS misconfiguration vulnerability in its local API server that allows network-adjacent attackers to bypass trusted host restrictions by exploiting the server's re…

6.3CVSS Score
MEDIUMSeverity
NOCISA KEV
0.2%EPSS Score
Security VulnerabilityImpact Type

📋 Vulnerability Details

CVE IDCVE-2026-66005
VendorUnknown Vendor
Affected ProductUnknown Product
Vulnerability TypeSecurity Vulnerability
CVSS Score6.3 (MEDIUM)
EPSS Score0.2% probability of exploitation in the next 30 days
Actively Exploited✅ Yes
Patch StatusPending Vendor Disclosure
Reported ByCYBERDUDEBIVASH SENTINEL APEX Intelligence (via sentinel_apex)

🔬 Technical Analysis

Jan through 0.8.4, fixed in commit 3e1c1e7, contains a CORS misconfiguration vulnerability in its local API server that allows network-adjacent attackers to bypass trusted host restrictions by exploiting the server's replacement of user-configured trusted hosts with a wildcard th... [Full analysis available on Pro]

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