Langflow is affected by weaknesses in secret handling and sensitive configuration access

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-9205
StatePUBLISHED
Assigneribm
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-05 19:17:49 UTC
Updated2026-08-05 19:17:49 UTC
DescriptionIBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensure_fernet_key() function.

Risk And Classification

Primary CVSS: v3.1 7.4 HIGH from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Problem Types: CWE-338 | CWE-338 CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.4HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
3.1CNACVSS7.4HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA IBM Langflow OSS affected 1.0.0 1.10.3 semver Not specified

References

ReferenceSourceLinkTags
www.ibm.com/support/pages/node/7282648 [email protected] www.ibm.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Kolega.dev (kolega-ai-dev) https://kolega.dev (en)

Additional Advisory Data

Solutions

CNA: IBM recommends upgrading to Langflow OSS 1.11.0 or newer https://github.com/langflow-ai/langflow/releases

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