HTML Injection Vulnerability in Thinkst Applied Research Canarytokens
CVE-2026-11859

2LOW

Key Information:

Vendor
CVE Published:
10 June 2026

What is CVE-2026-11859?

An HTML injection vulnerability exists within the email functionality of Thinkst Applied Research Canarytokens. This issue allows for potential interface manipulation and Cross-Site Scripting (XSS) vulnerabilities when the affected emails are rendered by email clients that support HTML. It specifically impacts versions of Canarytokens from Docker tag sha-c0f3cf142 prior to sha-08c3f93d and Git commit c0f3cf142 before 08c3f93d, making it crucial for users to update to the latest versions to mitigate risks.

Affected Version(s)

Canarytokens sha-c0f3cf142

Canarytokens c0f3cf142 < 08c3f93d

References

CVSS V4

Score:
2
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Arkadiusz Marta
.