CVE-2026-6600

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The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad en langflow-ai langflow hasta la versi\u00f3n 1.8.3. Esto afecta a una funci\u00f3n desconocida del archivo src/frontend/src/modals/IOModal/components/chatView/chatMessage/components/edit-message.tsx del componente de renderizado de componentes React de Frontend. La ejecuci\u00f3n de una manipulaci\u00f3n puede llevar a cross-site scripting. El ataque puede lanzarse de forma remota. El exploit ha sido publicado y puede usarse. Se contact\u00f3 al proveedor tempranamente sobre esta divulgaci\u00f3n, pero no respondi\u00f3 de ninguna manera."}], "id": "CVE-2026-6600", "lastModified": "2026-10-25T23:10:00.167", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.5, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 1.4, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/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:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-6600", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-20T14:42:48.107338Z", "version": "2.0.3"}}]}, "published": "2026-04-20T04:16:54.603", "references": [{"source": "cna@vuldb.com", "url": "https://gist.github.com/chenhouser2025/935aa5d4556264ba408059eec0960b1a"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/791923"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/358235"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/358235/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-94"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.8.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.8.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.8.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.8.3"}}], "enrichment": {"confidence": 92.0, "confidence_source": "matching", "scores": [{"score": 92.0, "source": "matching"}]}, "original": {"product": "langflow", "source": "cna", "vendor": "langflow-ai"}, "product": "langflow", "vendor": "langflow"}], "analysis": {"en": {"generated_at": "2026-04-20T05:25:01.308360+00:00", "value": {"mitigation_remediation": ["Upgrade to the latest Langflow release where the known XSS issue is resolved.", "Apply a strict Content Security Policy that restricts execution of inline scripts and disables unsafe eval.", "Ensure that any user\u2011supplied data displayed by the edit\u2011message component is properly sanitized or escaped before rendering; for React, use built\u2011in escaping or a library such as DOMPurify."], "summary": {"action": "Apply Patch", "impact": "Cross\u2011Site Scripting via frontend React component rendering"}, "threat_synthesis": {"affected_systems": "langflow\u2011ai\u2019s Langflow, versions up to 1.8.3, specifically the file src/frontend/src/modals/IOModal/components/chatView/chatMessage/components/edit\u2011message.tsx in the frontend React component rendering.", "description_and_impact": "A flaw in langflow\u2011ai's Langflow up to version 1.8.3 allows a malicious user to inject arbitrary scripts into the edit\u2011message component when the unknown function is executed. The attack requires the ability to manipulate data that is rendered by the frontend, and can be launched remotely. The resulting cross\u2011site scripting can lead to execution of attacker code in users\u2019 browsers, enabling cookie theft, session hijacking, and defacement. The weakness is identified as CWE\u201179.", "risk_and_exploitability": "The CVSS score of 5.1 indicates moderate severity, and no EPSS data is available. The vulnerability is not listed in the CISA KEV catalog. Attackers can remotely exploit the flaw by manipulating data sent to the edit\u2011message component. Published exploits indicate that the flaw can be used to inject and execute arbitrary scripts in the victim\u2019s browser context."}}}}, "created": "2026-04-20T05:30:44.130799+00:00", "updated": "2026-04-20T14:45:08.994453+00:00", "vendors": ["langflow", "langflow$PRODUCT$langflow"]}