{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-11859", "assignerOrgId": "0f2be0ad-3469-4e56-b38f-4eb96719b425", "state": "PUBLISHED", "assignerShortName": "ThinkstAppliedResearch", "dateReserved": "2026-06-10T10:35:44.979Z", "datePublished": "2026-06-10T11:35:14.974Z", "dateUpdated": "2026-06-10T11:35:14.974Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "0f2be0ad-3469-4e56-b38f-4eb96719b425", "shortName": "ThinkstAppliedResearch", "dateUpdated": "2026-06-10T11:35:14.974Z"}, "title": "HTML injection in the Canarytoken links email", "datePublic": "2026-06-10T10:36:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-74", "description": "CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-113", "descriptions": [{"lang": "en", "value": "CAPEC-113 Interface Manipulation"}]}, {"capecId": "CAPEC-63", "descriptions": [{"lang": "en", "value": "CAPEC-63 Cross-Site Scripting (XSS)"}]}], "affected": [{"vendor": "Thinkst Applied Research", "product": "Canarytokens", "versions": [{"status": "affected", "version": "sha-c0f3cf142", "lessThan": "sha-08c3f93d", "versionType": "custom"}, {"status": "affected", "version": "c0f3cf142", "lessThan": "08c3f93d", "versionType": "git"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "An HTML injection vulnerability in the \"fetch links\" email sent by Thinkst Applied Research Canarytokens, enabling Interface Manipulation, Cross-Site Scripting (XSS) in emails clients that render HTML emails.\n\n\nThis issue affects Canarytokens: from Docker tag sha-c0f3cf142 before sha-08c3f93d, from Git commit c0f3cf142 before 08c3f93d.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "An HTML injection vulnerability in the \"fetch links\" email sent by Thinkst Applied Research Canarytokens, enabling Interface Manipulation, Cross-Site Scripting (XSS) in emails clients that render HTML emails.<div><br><p>This issue affects Canarytokens: from Docker tag sha-c0f3cf142 before sha-08c3f93d, from Git commit c0f3cf142 before 08c3f93d.</p></div>"}]}], "references": [{"url": "https://github.com/thinkst/canarytokens/security/advisories/GHSA-55jf-cqr9-r7p4"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "Safety": "NOT_DEFINED", "Automatable": "NO", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "LOW", "providerUrgency": "GREEN", "version": "4.0", "baseSeverity": "LOW", "baseScore": 2, "vectorString": "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/AU:N/RE:L/U:Green"}}], "solutions": [{"lang": "en", "value": "Pull the latest Docker image:\n\n\n$\u00a0docker pull thinkst/canarytokens:latest", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Pull the latest Docker image:<div><br></div><div><code>$&nbsp;docker pull thinkst/canarytokens:latest</code></div>"}]}], "credits": [{"lang": "en", "value": "Arkadiusz Marta", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "An HTML injection vulnerability in the \"fetch links\" email sent by Thinkst Applied Research Canarytokens, enabling Interface Manipulation, Cross-Site Scripting (XSS) in emails clients that render HTML emails.\n\n\nThis issue affects Canarytokens: from Docker tag sha-c0f3cf142 before sha-08c3f93d, from Git commit c0f3cf142 before 08c3f93d."}], "id": "CVE-2026-11859", "lastModified": "2026-06-10T12:16:25.067", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NO", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.0, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "GREEN", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "LOW", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "LOW"}, "source": "0f2be0ad-3469-4e56-b38f-4eb96719b425", "type": "Secondary"}]}, "published": "2026-06-10T12:16:25.067", "references": [{"source": "0f2be0ad-3469-4e56-b38f-4eb96719b425", "url": "https://github.com/thinkst/canarytokens/security/advisories/GHSA-55jf-cqr9-r7p4"}], "sourceIdentifier": "0f2be0ad-3469-4e56-b38f-4eb96719b425", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "0f2be0ad-3469-4e56-b38f-4eb96719b425", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[sha-c0f3cf142,sha-08c3f93d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[c0f3cf142,08c3f93d)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Canarytokens", "source": "cna", "vendor": "Thinkst Applied Research"}, "product": "canarytokens", "vendor": "thinkst_applied_research"}], "created": "2026-06-10T13:30:05.886529+00:00", "updated": "2026-06-10T13:30:05.886600+00:00", "vendors": ["thinkst_applied_research", "thinkst_applied_research$PRODUCT$canarytokens"]}