CVE-2026-12888
HTML injection in the Canarytoken Google Chat notification
Vexday Risk Score
8Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 2EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
22 Jun 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
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
Affected products
Thinkst Applied Research · Canarytokens