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CVE record · CVE-2026-81211

Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards

CVSS 8.8 HighEPSS 0.0056 · 46th percentile

Published by the CVE Program (CNA: ibm) at 10 Sept 2026, 21:34 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
IBM Langflow OSS
  • affected 1.0.0 to 1.11.5, inclusive semver
Identifiers
CVE-2026-81211
CNA
ibm
Weakness (CWE)
CWE-862
Tags
Published
10 Sept 2026
Updated
12 Sept 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.8 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CNA (ibm)
  • CISA KEV Not listed.
  • EPSS 0.0056, the 46th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 10 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.