Vulnerability · Published Oct 6, 2026 · Assigned by ibm

CVE-2026-104334Langflow OSS is affected by multiple vulnerabilities

Critical 9.8

In plain English

A critical-severity code injection in Langflow OSS from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 46.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

IBM Langflow OSS 1.0.0 through 1.12.2 could allow a remote attacker to execute arbitrary code due to improper control of code generation.

Affected products (as reported)

VendorProductVersions
IBM Langflow OSS 1.0.0 – through 1.12.2

Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References