Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-19294

CVE-2026-19294MEDIUM

IBM Langflow OSS — Langflow is affected by multiple authentication bypass, path traversal, authorization, and server-side request forgery vulnerabilities

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   L   N  U  H  N  N    6.5   .0024   13.7     —

AFFECTED
  Product       Versions  Fixed
  Langflow OSS  1.0.0 –   —

TIMELINE
  Aug 7   Reserved by ibm
  Aug 28  Published (CNA: ibm)
  Aug 31  RESCORED — CVE-2026-19294 (IBM Langflow OSS). CVSS 6.4 → 6.5 (NVD).

CWE-639 · CNA: ibm · CVSS v3.1 · 1 reference · NVD status: Analyzed

Description

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute and read any user's private flow due to improper authorization.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
August 7, 2026	Reserved	Reserved by ibm
August 28, 2026	Published	Published (CNA: ibm)
August 31, 2026	RESCORED	RESCORED — CVE-2026-19294 (IBM Langflow OSS). CVSS 6.4 → 6.5 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
IBM	Langflow OSS	—	1.0.0	—

Weaknesses

CWE-639

References (1)

https://www.ibm.com/support/pages/node/7284579 [Vendor Advisory]

Authoritative record: CVE-2026-19294 at cve.org

Vendors: ibm

Weaknesses: CWE-639

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-19294 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.