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Description

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.

PUBLISHED Reserved 2026-06-10 | Published 2026-06-10 | Updated 2026-06-10 | Assigner ThinkstAppliedResearch




LOW: 2.0CVSS:4.0/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

Problem types

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Product status

Default status
unaffected

sha-c0f3cf142 (custom) before sha-08c3f93d
affected

c0f3cf142 (git) before 08c3f93d
affected

Credits

Arkadiusz Marta finder

References

github.com/...tokens/security/advisories/GHSA-55jf-cqr9-r7p4

cve.org (CVE-2026-11859)

nvd.nist.gov (CVE-2026-11859)

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