HTML injection in the Canarytoken links email
CVE-2026-11859

2LOW

Key Information:

Vendor

Thinkst Applied Research

Status
Canarytokens
Vendor
CVE Published:
10 June 2026

What is CVE-2026-11859?

An HTML injection vulnerability in the "fetch links" email sent by Thinkst Applied Research Canarytokens, enabling Interface Manipulation, Cross-Site Scripting (XSS) in emails clients that render HTML emails.

This issue affects Canarytokens: from Docker tag sha-c0f3cf142 before sha-08c3f93d, from Git commit c0f3cf142 before 08c3f93d.

Affected Version(s)

Canarytokens sha-c0f3cf142

Canarytokens c0f3cf142 < 08c3f93d

References

https://github.com/thinkst/canarytokens/security/advisori...

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
.