PT-2026-48399 · Thinkst Applied Research · Canarytokens

Arkadiusz Marta · Published 2026-06-10 · Updated 2026-06-10 · CVE-2026-11859

Mitre

CVSS v4.0

2.0

Low

Base vector

AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:P/AU:N/RE:L/U:Green

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.

Fix

Special Elements Injection

Weakness Enumeration

CWE-74

Related Identifiers

CVE-2026-11859

Affected Products

Canarytokens

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-11859 · Security Note
• https://github.com/thinkst/canarytokens/security/advisories/GHSA-55jf-cqr9-r7p4 · Note