{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-3346","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","state":"PUBLISHED","assignerShortName":"ibm","dateReserved":"2026-02-27T16:11:36.537Z","datePublished":"2026-04-30T21:06:10.276Z","dateUpdated":"2026-05-01T16:38:14.702Z"},"containers":{"cna":{"providerMetadata":{"orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","shortName":"ibm","dateUpdated":"2026-04-30T21:06:10.276Z"},"title":"Stored Cross-Site Scripting (XSS) in Langflow Markdown Rendering via rehypeRaw","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-89","description":"CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')","type":"CWE"}]}],"affected":[{"vendor":"IBM","product":"Langflow Desktop","versions":[{"status":"affected","version":"1.6.0","lessThanOrEqual":"1.8.4","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:langflow_desktop:1.6.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:langflow_desktop:1.8.4:*:*:*:*:*:*:*"]}],"descriptions":[{"lang":"en","value":"IBM Langflow Desktop 1.6.0 through 1.8.4 Lanflow is vulnerable to stored cross-site scripting. This vulnerability allows an authenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>IBM Langflow Desktop 1.6.0 through 1.8.4 Lanflow is vulnerable to stored cross-site scripting. This vulnerability allows an authenticated user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.</p>"}]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7271095","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":6.4,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N"}}],"solutions":[{"lang":"en","value":"IBM recommends addressing the vulnerability now by upgrading to IBM Langflow Desktop 1.9.0 or newer https://www.langflow.org/blog/langflow-1-8-desktopIf you are already using Langflow Desktop, upgrade in the application to version 1.9.0To install Langflow Desktop for the first time, visit Download Langflow Desktop.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>IBM recommends addressing the vulnerability now by upgrading to IBM Langflow Desktop 1.9.0 or newer <a href=\"https://www.langflow.org/blog/langflow-1-8-desktop\" rel=\"nofollow\">https://www.langflow.org/blog/langflow-1-8-desktop</a></p><p>If you are already using Langflow Desktop, upgrade in the application to version 1.9.0</p><p>To install Langflow Desktop for the first time, visit <a href=\"https://langflow.org/desktop\" rel=\"nofollow\">Download Langflow Desktop</a>.</p>"}]}],"x_generator":{"engine":"ibm-cvegen"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-01T16:07:44.411464Z","id":"CVE-2026-3346","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-01T16:38:14.702Z"}}]}}