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TI-2026-82530 Aliases CVE-2026-93680GHSA-vfwm-g9g9-v2g5

Langflow OSS authentication bypass in IBM Langflow OSS

Priority MEDIUM 53CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

IBM Langflow OSS 1.0.0 through 1.12.8 could allow a remote attacker to bypass security restrictions due to improper authentication (CWE-287). The CVSS 3.1 base score is 9.8 (CRITICAL). The attack requires no privileges or user interaction, and an attacker could fully compromise confidentiality, integrity and availability. CISA's SSVC data rates the technical impact as total and the issue as automatable.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

IBM Langflow OSS 1.0.0 through 1.12.8 could allow a remote attacker to bypass security restrictions due to improper authentication.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02181 82nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
IBMLangflow OSS1.0.0 – 1.12.8—No fix listedCNA
  • Langflow OSS VendorIBM Affected 1.0.0 – 1.12.8 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*1.0.0 to before 1.13.0VulnerableLangflow
  • cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:* Versions 1.0.0 to before 1.13.0 Vulnerable ·Langflow

Remediation

No fix is listed for Langflow OSS in the affected range 1.0.0 through 1.12.8. Restrict network access to Langflow instances and monitor for unauthorized use until IBM publishes a fixed version.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    IBM Langflow OSS — ibm.com/support/pages/node/7294467

    4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-82569 Code injection in IBM Langflow OSS allows remote code executionPriority MEDIUM 50
    • TI-2026-82572 Improper code generation in IBM Langflow OSS Agentic AssistantPriority MEDIUM 41
    • TI-2026-82571 Insufficiently protected credentials in IBM Langflow OSS expose dataPriority LOW 28
    Show all 4 records → Advisory →

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-93680
  2. 2026-10-29 Alias added: GHSA-vfwm-g9g9-v2g5
  3. 2026-10-30 CISA SSVC decision points changed
  4. 2026-10-30 CISA SSVC decision points changed

References

Patch 1

  • TI-2026-08085 Unauthenticated Remote Code Execution via Auto-Login Bypass and Code Validation KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-23774 IBM Aspera Faspex code execution KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-03794 Improper authentication in IBM Data Risk Manager KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-03441 Code injection in IBM Planning Analytics KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-03639 Improper handling of exceptional conditions in Apache Struts KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-06198 Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT… KEVCVSS 3.1CRITICAL 9.8
See all 9711 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences