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CVE-2026-11859

HTML injection in the Canarytoken links email

LOW
2
CVSS Score
Published: June 10, 2026 at 11:35 AM UTC
Updated: October 26, 2026 at 11:10 AM UTC
1 product affected across 1 vendorCanarytokens

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Severity
LOW2
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Canarytokens· Thinkst Applied Research
90%
c0f3cf142 ≤ v < 08c3f93dsha-c0f3cf142 ≤ v < sha-08c3f93dc0f3cf142sha-c0f3cf142

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://github.com/thinkst/canarytokens/security/advisories/GHSA-55jf-cqr9-r7p4

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2LOWThinkstAppliedResearch
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-74

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