CVE-2026-11859: CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') in Thinkst Applied Research Canarytokens
CVE-2026-11859 is an HTML injection vulnerability in the "fetch links" email sent by Thinkst Applied Research Canarytokens. This vulnerability allows interface manipulation and cross-site scripting (XSS) in email clients that render HTML emails. It affects Canarytokens versions from Docker tag sha-c0f3cf142 before sha-08c3f93d and Git commit c0f3cf142 before 08c3f93d. The vulnerability has a low severity score and no known exploits in the wild.
AI Analysis
Technical Summary
This vulnerability involves improper neutralization of special elements in output used by a downstream component (CWE-74) in Thinkst Applied Research Canarytokens. Specifically, the "fetch links" email contains HTML injection that can lead to interface manipulation and XSS in HTML-rendering email clients. The affected versions are those between Docker tag sha-c0f3cf142 and before sha-08c3f93d, and similarly for Git commits. No official remediation or patch information is provided in the available data.
Potential Impact
Successful exploitation could allow an attacker to manipulate the interface or execute cross-site scripting attacks within email clients that render HTML emails from Canarytokens. This could potentially lead to user interface manipulation or script execution in the context of the email client. However, the CVSS score is low (2.0), indicating limited impact and exploitability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround is currently documented. Users should monitor Thinkst Applied Research advisories for updates and apply patches once available.
CVE-2026-11859: CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') in Thinkst Applied Research Canarytokens
Description
CVE-2026-11859 is an HTML injection vulnerability in the "fetch links" email sent by Thinkst Applied Research Canarytokens. This vulnerability allows interface manipulation and cross-site scripting (XSS) in email clients that render HTML emails. It affects Canarytokens versions from Docker tag sha-c0f3cf142 before sha-08c3f93d and Git commit c0f3cf142 before 08c3f93d. The vulnerability has a low severity score and no known exploits in the wild.
CVSS v4.0
Score 2.0low
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves improper neutralization of special elements in output used by a downstream component (CWE-74) in Thinkst Applied Research Canarytokens. Specifically, the "fetch links" email contains HTML injection that can lead to interface manipulation and XSS in HTML-rendering email clients. The affected versions are those between Docker tag sha-c0f3cf142 and before sha-08c3f93d, and similarly for Git commits. No official remediation or patch information is provided in the available data.
Potential Impact
Successful exploitation could allow an attacker to manipulate the interface or execute cross-site scripting attacks within email clients that render HTML emails from Canarytokens. This could potentially lead to user interface manipulation or script execution in the context of the email client. However, the CVSS score is low (2.0), indicating limited impact and exploitability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround is currently documented. Users should monitor Thinkst Applied Research advisories for updates and apply patches once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ThinkstAppliedResearch
- Date Reserved
- 2026-06-10T10:35:44.979Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a2954cf8dd33fbd8541e42f
Added to database: 06/10/2026, 12:13:03 UTC
Last enriched: 06/17/2026, 16:09:51 UTC
Last updated: 07/25/2026, 08:52:02 UTC
Views: 69
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.