An HTML injection vulnerability exists in the Google Chat webhook notification  sent by Thinkst Applied Research Canarytokens, enabling Interface Manipulation in Google Chat. An attacker can insert limited HTML content including links.


This issue affects Canarytokens: from Docker tag sha-4aef1db90 before sha-8ab4dccd, from Git commit 4aef1db90 before 8ab4dccd.

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Advisories

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Fixes

Solution

Pull the latest Docker image: $ docker pull thinkst/canarytokens:latest


Workaround

No workaround given by the vendor.

History

Mon, 22 Jun 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 22 Jun 2026 16:00:00 +0000

Type Values Removed Values Added
First Time appeared Thinkst Applied Research
Thinkst Applied Research canarytokens
Vendors & Products Thinkst Applied Research
Thinkst Applied Research canarytokens

Mon, 22 Jun 2026 13:45:00 +0000

Type Values Removed Values Added
Description An HTML injection vulnerability exists in the Google Chat webhook notification  sent by Thinkst Applied Research Canarytokens, enabling Interface Manipulation in Google Chat. An attacker can insert limited HTML content including links. This issue affects Canarytokens: from Docker tag sha-4aef1db90 before sha-8ab4dccd, from Git commit 4aef1db90 before 8ab4dccd.
Title HTML injection in the Canarytoken Google Chat notification
Weaknesses CWE-74
References
Metrics cvssV4_0

{'score': 2, 'vector': 'CVSS: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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: ThinkstAppliedResearch

Published:

Updated: 2026-06-22T15:42:35.858Z

Reserved: 2026-06-22T10:56:11.962Z

Link: CVE-2026-12888

cve-icon Vulnrichment

Updated: 2026-06-22T15:42:31.009Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-22T15:45:03Z

Weaknesses