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CVE-2026-40566: Server-Side Request Forgery (SSRF)

🗓️ 21 Apr 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Authenticated admin SSRF in FreeScout MailboxesController enables internal network scanning.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-40566
21 Apr 202616:04
–attackerkb
cnnvd
CNNVD
FreeScout 安全漏洞
21 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-40566
21 Apr 202616:04
–cve
cvelist
Cvelist
CVE-2026-40566 FreeScout vulnerable to SSRF via IMAP/SMTP Connection Test Endpoints
21 Apr 202616:04
–cvelist
euvd
EUVD
EUVD-2026-24167
21 Apr 202616:04
–euvd
nvd
NVD
CVE-2026-40566
21 Apr 202617:16
–nvd
ptsecurity
Positive Technologies
PT-2026-34010
21 Apr 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-40566
5 Jun 202619:27
–redhatcve
vulnrichment
Vulnrichment
CVE-2026-40566 FreeScout vulnerable to SSRF via IMAP/SMTP Connection Test Endpoints
21 Apr 202616:04
–vulnrichment

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22 Apr 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.14.1
EPSS0.00398
SSVC
0