HTML injection in the notification email for "Slow Redirect" and "Cloned Website" Canarytokens

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Summary

CVECVE-2026-10729
StatePUBLISHED
AssignerThinkstAppliedResearch
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-03 14:16:35 UTC
Updated2026-06-04 16:37:27 UTC
DescriptionAn HTML injection vulnerability in the notification email for "Slow Redirect" and "Cloned Website" Canarytokens exists in Thinkst Applied Research Canarytokens, enabling Interface Manipulation, Cross-Site Scripting (XSS) in emails clients that render HTML emails. This issue affects Canarytokens: from Docker tag sha-c42435e before sha-bfda4df, from Git commit c42435e before bfda4df.

Risk And Classification

Primary CVSS: v4.0 1.2 LOW from 0f2be0ad-3469-4e56-b38f-4eb96719b425

CVSS:4.0/AV:N/AC:H/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: 0.000620000 probability, percentile 0.194850000 (date 2026-06-09)

Problem Types: CWE-74 | CWE-74 CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

VersionSourceTypeScoreSeverityVector
4.00f2be0ad-3469-4e56-b38f-4eb96719b425Secondary1.2LOWCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:P/C...
4.0CNACVSS1.2LOWCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:P/A...

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Attack Requirements
None
Privileges Required
None
User Interaction
Active
Confidentiality
None
Integrity
None
Availability
None
Sub Conf.
None
Sub Integrity
Low
Sub Availability
None

CVSS:4.0/AV:N/AC:H/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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Thinkst Applied Research Canarytokens affected sha-c42435e sha-bfda4df custom Not specified
CNA Thinkst Applied Research Canarytokens affected c42435e bfda4df git Not specified

References

ReferenceSourceLinkTags
github.com/thinkst/canarytokens/security/advisories/GHSA-hmjv-pj8j-8fg7 0f2be0ad-3469-4e56-b38f-4eb96719b425 github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Gaurav Popalghat (en)

Additional Advisory Data

Solutions

CNA: Pull the latest Docker image: $ docker pull thinkst/canarytokens:latest

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