CVE-2026-9198: IBM Langflow Code Injection Vulnerability
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Langflow contains a code injection vulnerability that allows unauthenticated attackers to achieve full remote code execution on default Langflow deployments.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-9198
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2026-9198Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 77% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-9198 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- critical[NEW] [high] IBM Langflow Desktop OSS: Multiple vulnerabilitiescert-bund
- unknownexploitedIBM security advisory (AV26-770)cccs
- highexploitedCISA Adds Three Known Exploited Vulnerabilities to Catalogcisa
- unknownNCSC-2026-0251 [1.00] [M/H] Vulnerabilities fixed in IBM Langflow OSSncsc-nl
- criticalCVE-2026-9198: IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_lo…nvd
Recent advisories for IBM Langflow Code
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalCVE-2026-12946: IBM Langflow OSS 1.0.0 through 1.10.0 could allow a remote attacker to inject arbitrary code o…nvd · 2026-07-30
- criticalCVE-2026-12940: IBM Langflow OSS 1.0.0 through 1.10.1 are vulnerable to unauthenticated remote code execution …nvd · 2026-07-30
- criticalCVE-2026-13446: IBM Langflow OSS 1.0.0 through 1.10.1 contains hard-coded credentials, such as a password or c…nvd · 2026-07-17
- criticalCVE-2026-8481: IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in…nvd · 2026-07-17
- criticalCVE-2026-8476: IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in…nvd · 2026-07-17
- highCVE-2026-7755: IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow remote code execution due to incompl…nvd · 2026-07-17
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