Missing authorization in IBM Langflow OSS allows code execution
Key facts
- Attack vector
- Network
- Privileges required
- Low
- 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-862.
Summary
IBM Langflow OSS from 1.0.0 through 1.12.4 is affected. Missing authorization checks let a remote authenticated attacker execute arbitrary code. The attacker needs a valid low-privilege account, and the flaw is classified under CWE-862.
Written with Claude Haiku 5.5 from the sources below · 2026-10-30
Description from the CNA
IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to execute arbitrary code due to missing authorization.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for IBM Langflow OSS.
Written with Claude Haiku 5.5 from the sources below · 2026-10-30
Timeline
- 2026-10-29 Threatist record created from CVE-2026-107327
- 2026-10-29 Alias added: GHSA-p7mx-32v2-66mm
- 2026-10-30 CISA SSVC decision points changed
- 2026-10-30 CVSS score added · NVD
- 2026-10-30 CISA SSVC decision points changed
References
More IBM vulnerabilities
- 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
Sources
- CVE-2026-107327 · CVE Program
- CVE-2026-107327 · NVD
- FIRST EPSS
- GHSA-p7mx-32v2-66mm · GitHub Advisory Database · CC BY 4.0
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