← All Advisories

CVE-2026-9198: IBM Langflow Code Injection

Status: KEV  |  Advisory ID: CVE-2026-9198

Key Details

CVECVE-2026-9198
CVSSCVSS 9.8 (Critical).
Affected productsIBM Langflow and langflow langflow
Exploitation statusListed in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating confirmed active exploitation.
Classified asCWE-94 (Improper Control of Generation of Code ('Code Injection'))
KEV listingAdded to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2026-08-04.
Exploitation prediction (EPSS)61% probability of exploitation in the next 30 days (99% percentile) -- FIRST.org's EPSS model.
Federal remediation deadline2026-08-07 (CISA KEV, Binding Operational Directive).

What to Know

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

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-9198