UpHeron
All vulnerabilities

Servers and applications

CVE-2026-104084

SmarterMail < Build 9777 Stale JWT Role Claim Privilege Escalation via Refresh Token

Severity
High 8.7
Published
9 Oct 2026
Last changed
27 Oct 2026
Added to UpHeron
3 Nov 2026
Fixed in
Build 9777
Sources
CVE Program

Affected software

SoftwareAffected versions
SmarterMailServers and applications · cna:smartertools|smartermail
  • Every version before Build 9777

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-104084