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Code injection in IBM Langflow OSS lets remote users run code

Priority MEDIUM 44CWE-94Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
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-94.

Summary

IBM Langflow OSS versions from 1.0.0 through 1.12.4 are affected. Improper neutralization of code passed to eval/exec (CWE-94) lets a remote authenticated attacker execute arbitrary code. The attacker needs low privileges and no user interaction.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

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 improper neutralization of code in eval/exec.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00853 58th 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
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

VendorProductAffected versionsFixed inStatusSource
IBMLangflow OSS1.0.0 – 1.12.4—No fix listedCNA
  • Langflow OSS VendorIBM Affected 1.0.0 – 1.12.4 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*1.0.0 to before 1.12.5VulnerableLangflow
  • cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:* Versions 1.0.0 to before 1.12.5 Vulnerable ·Langflow

Remediation

The sources list no fixed version for IBM Langflow OSS.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-107328
  2. 2026-10-29 CISA SSVC decision points changed
  3. 2026-10-29 Alias added: GHSA-5c8g-pvxp-6cx4
  4. 2026-10-30 CISA SSVC decision points changed
  5. 2026-10-30 CVSS score added · NVD

References

  • 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