🛡️ CVE-2026-10140 — langflow

🔴 CVSS 9.6 — Critical ✅ No Known Exploit CWE-639 NVD
9.6
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

IBM Langflow OSS 1.0.0 through 1.10.0 voice mode contains improper shared-state handling that allows reuse of API clients across tenant boundaries. An authenticated attacker can manipulate cache state to cause requests from other users to be processed using incorrect upstream API credentials, leading to cross-tenant billing and accountability misattribution.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability none.

Weakness class

CVE-2026-10140 is classified as CWE-639: Authorization Bypass Through User-Controlled Key. An object is selected by an identifier from the request without checking the caller owns it.

Affected software

CVE-2026-10140 is recorded against 1 package.

  • langflow (from 1.0.0 up to 1.10.0)

Timeline and source

Published on 30 June 2026 and last revised on 2 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.ibm.com

Details

Severity CRITICAL
CVSS Score 9.6
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
CWE CWE-639
Public Exploit ✅ No
Source NVD
Published 2026-06-30
Updated 2026-08-11
Modified 2026-07-02
Fix URL N/A

Affected Packages

Software From version Fixed in
langflow 1.0.0 1.10.0

Similar Threats

Exploit Protection

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