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CVE-2026-40591: Authorization Bypass Through User-Controlled Key

🗓️ 21 Apr 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 3 Views

Auth bypass in FreeScout prior to 1.8.214 allows agents to bind conversations to other mailbox customers.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-40591
21 Apr 202616:54
–attackerkb
circl
Circl
CVE-2026-40591
21 Apr 202619:25
–circl
cnnvd
CNNVD
FreeScout 安全漏洞
21 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-40591
21 Apr 202616:54
–cve
cvelist
Cvelist
CVE-2026-40591 FreeScout: Improper Authorization in Phone Conversation Creation Enables Cross-Mailbox Hidden Customer Modification
21 Apr 202616:54
–cvelist
euvd
EUVD
EUVD-2026-24187
21 Apr 202616:54
–euvd
mend
Mend
CVE-2026-40591
21 Apr 202616:54
–mend
nvd
NVD
CVE-2026-40591
21 Apr 202617:16
–nvd
ptsecurity
Positive Technologies
PT-2026-34026
21 Apr 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-40591
5 Jun 202619:13
–redhatcve
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22 Apr 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.1
EPSS0.0034
SSVC
3