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CVE-2026-12888

HTML injection in the Canarytoken Google Chat notification

LOW
2
CVSS Score
Published: June 22, 2026 at 01:05 PM UTC
Updated: October 25, 2026 at 11:10 PM UTC
1 product affected across 1 vendorCanarytokens

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Severity
LOW2
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Canarytokens· Thinkst Applied Research
90%
4aef1db90 ≤ v < 8ab4dccdsha-4aef1db90 ≤ v < sha-8ab4dccd4aef1db90sha-4aef1db90

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2LOWThinkstAppliedResearch
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-74

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