Is CVE-2026-12888 actively exploited?

No active exploitation of CVE-2026-12888 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-12888 be exploited remotely?

Yes. CVE-2026-12888 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-12888?

CVE-2026-12888 has a CVSS score of 2.0 (LOW).

HOME VULNERABILITIESCVE-2026-12888

LOW

CVE-2026-12888

CWE-74Published: June 22, 2026· Updated: Jun 23, 2026

2.0

CVSS v3.1

EPSS:0.29%probability of exploitation in 30 daysPercentile:20.2th

Official 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.

NVD Source

Technical Analysis

CVE-2026-12888 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (A) is needed, which slightly reduces the risk of mass automated attacks.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionA

ScopeX

Impact

Confidentiality

Integrity

Availability

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