UpHeron
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Servers and applications

CVE-2026-105475

Improper neutralization of a NUL byte in cPanel allows remote attackers to read any mail account's calendar and contact data.

Severity
High 8.7
Published
2 Nov 2026
Last changed
2 Nov 2026
Added to UpHeron
2 Nov 2026
Fixed in
11.110.0.154, 11.134.0.67, 11.136.0.51, 11.138.0.19
Sources
CVE Program

Affected software

SoftwareAffected versions
cPanel & WHMServers and applications · cna:webpros|cpanel
  • Every version before 11.138.0.19
  • Every version before 11.136.0.51
  • Every version before 11.134.0.67
  • Every version before 11.110.0.154

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-105475