VulnerabilityAwaiting Analysis

CVE-2026-12888

An HTML injection vulnerability exists in the Google Chat webhook notification sent by Thinkst Applied Research Canarytokens, enabling Interface Manipulation in Google Chat.

LOW 2.0EPSS 0.44%

Does this matter?

Lower severity and a low EPSS score (0.44%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 4.0: 2.0 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.44% probability · 38th percentile
CISA KEV: Not listed
Weakness: CWE-74
Source: 0f2be0ad-3469-4e56-b38f-4eb96719b425

References

https://github.com/thinkst/canarytokens/security/advisories/GHSA-vcfc-7466-8q65

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.