Vulnerability · Published Oct 6, 2026 · Assigned by ibm

CVE-2026-97680Langflow OSS is affected by multiple vulnerabilities

High 8.3

In plain English

A high-severity improper access control 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 0.3% (higher than 19% of all known vulnerabilities).

Severity (CVSS 3.1)8.3High
Exploit odds (30 days)0.3%top 81.4% 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 authenticated attacker to obtain sensitive information or inject malicious data due to improper access control in the vertex result caching subsystem.

Affected products (as reported)

VendorProductVersions
IBM Langflow OSS 1.0.0 – through 1.12.2

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

References