PT-2026-48399 · Thinkst Applied Research · Canarytokens

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

Positive Technologies (AI Summary)

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

Name of the Vulnerable Software and Affected Versions Canarytokens versions sha-c0f3cf142 through sha-08c3f93d

Description An HTML injection issue exists in the "fetch links" email sent by Thinkst Applied Research Canarytokens. This allows for Interface Manipulation and Cross-Site Scripting (XSS), which occurs when email clients render HTML emails.

Recommendations Update Canarytokens to version sha-08c3f93d or later.

Fix

Special Elements Injection

Weakness Enumeration

CWE-74

Related Identifiers

CVE-2026-11859

Affected Products

Canarytokens

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-11859 · Security Note
• https://github.com/thinkst/canarytokens/security/advisories/GHSA-55jf-cqr9-r7p4 · Note
• https://t.me/CVEtracker/56436 · Telegram Post
• https://twitter.com/CVEnew/status/2064709833660436638 · Twitter Post