---
id: CVE-2026-12945
title: >-
  IBM Langflow OSS 1.0.0 through 1.10.1 allows authenticated users to access and
  manipulate other users' build jobs through improper access control on log
  retrieval and unauthenticated build endpoints.
summary: >-
  IBM Langflow OSS 1.0.0 through 1.10.1 allows authenticated users to access and
  manipulate other users' build jobs through improper access control on log
  retrieval and unauthenticated build endpoints.
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L'
cwe:
  - CWE-639
published: '2026-07-30'
updated: '2026-07-31'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-12945'
references:
  - url: 'https://www.ibm.com/support/pages/node/7279994'
    label: psirt@us.ibm.com
tags:
  - nvd
epss: 0.00215
epssPercentile: 0.12168
ingestedAt: '2026-08-01T22:15:46.142Z'
---

## Overview

IBM Langflow OSS 1.0.0 through 1.10.1 allows authenticated users to access and manipulate other users' build jobs through improper access control on log retrieval and unauthenticated build endpoints.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.