{"id":"CVE-2026-9198","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-9198","generatedAt":"2026-10-31T03:56:52.774Z","title":"IBM Langflow Code Injection Vulnerability","description":"IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any network caller) with /api/v1/validate/code (executes user code via exec()) to achieve full RCE on default Langflow deployments","published":"2026-07-17T18:17:17.000Z","lastModified":"2026-10-24T20:10:00.000Z","status":"Analyzed","sourceIdentifier":"psirt@us.ibm.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-94"],"affected":["langflow/langflow"],"epss":{"score":0.28658,"percentile":0.98135,"date":"2026-10-30","history":[{"date":"2026-09-24","score":0.28658,"percentile":0.98073}]},"kev":{"listed":true,"dateAdded":"2026-08-04","dueDate":"2026-08-07","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.\nhttps://www.ibm.com/support/pages/node/7278927 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-9198"},"exploits":{"count":1,"verified":false,"firstPublished":"2026-09-02","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":52675,"kind":"exploit","title":"Langflow 1.10.0 - RCE","url":"https://www.exploit-db.com/exploits/52675","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/webapps/52675.py","file":"exploits/multiple/webapps/52675.py","published":"2026-09-02","added":"2026-09-02","updated":"2026-09-02","author":"Richard Howe","type":"webapps","platform":"multiple","port":null,"verified":false,"codes":["CVE-2026-9198"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 7 August 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-24T00:00:00.000Z","detail":{"to":0.28658,"from":0.60597,"percentile":0.98073},"summary":"EPSS moved from 60.6% to 28.7% probability of exploitation in the next thirty days."},{"kind":"exploit","label":"Public exploit","at":"2026-09-02T00:00:00.000Z","detail":{"type":"webapps","edbId":52675,"title":"Langflow 1.10.0 - RCE","platform":"multiple","verified":false,"publishedAt":"2026-09-02"},"summary":"Public exploit published in Exploit-DB: Langflow 1.10.0 - RCE (webapps, multiple)."}],"references":[{"url":"https://www.ibm.com/support/pages/node/7278927","tags":["Vendor Advisory"],"source":"psirt@us.ibm.com"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-9198","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-9198","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}