CVE-2026-12888

Name: CVE-2026-12888
Creator: NVD / NIST
Published: 2026-06-22T14:16:34.74+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2/10EPSS 0.29%

Last modified Jun 23, 2026

This CVE is reserved or awaiting analysis. Details will appear once published by NVD.

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.

Metrics

CVSS 4.0

2/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:X/V:X/RE:L/U:Green

EPSS Probability

0.29%

20.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-74

References

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

Timeline

Published: Jun 22, 2026
Last Modified: Jun 23, 2026
Status: Awaiting Analysis

Are you affected by CVE-2026-12888?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST