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TI-2026-82527 Aliases CVE-2026-90991GHSA-967g-88jq-fc2f

Resource exhaustion in IBM Langflow OSS enables denial of service

Priority LOW 29CWE-770Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-770.

Summary

IBM Langflow OSS from 1.0.0 through 1.12.4 allocates resources without limits or throttling (CWE-770). A remote authenticated attacker can cause a denial of service.

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 cause a denial of service due to allocation of resources without limits or throttling.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00391 33rd 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
Partial

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 · 2026-10-30

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-90991
  2. 2026-10-29 CISA SSVC decision points changed
  3. 2026-10-29 Priority changed: MEDIUM → LOW
  4. 2026-10-29 Alias added: GHSA-967g-88jq-fc2f

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