CVE-2026-93680(langflow / langflow)

LOWCVSS 9.8 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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

0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-287

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • langflow

Threat summary

  • 4 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Peaked 1d ago at 3 mentions (2026-10-29); latest day: 1
  • 4 total mentions across 2 days

Affected systems

Vendors
Products
langflow

Deep dive

Activity timeline4 mentions / 2d
01223Mentions · 2026-10-29: 3Mentions · 2026-10-30: 110-2910-30
Referenced assets4 URLs
Full discourse4 posts
  • The Hacker Wire@TheHackerWire

    🚨 CVE-2026-93680 (CVSS 9.8 Critical) - PoC Available Auth bypass in IBM Langflow (1.0.0–1.12.8) via /api/v1/mcp/sse lets remote attackers hijack MCP sessions and invoke tools. ⚡ Action: Upgrade past v1.12.8 or block /api/v1/mcp immediately. 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-93680/ https://t.co/ZBdXwv8WO2

    20030165
    205 followersView on X
  • ♫Why♥Not♪@Python_s_

    #NØØT_Security_Alerts 🚨 #ALERT — Critical Authentication Bypass in IBM Langflow OSS October 28, 2026 PRODUCT: Langflow OSS. CVE: CVE-2026-93680. SEVERITY: CRITICAL — CVSS 9.8. AFFECTED VERSIONS: Langflow OSS 1.0.0 through 1.12.8. IMPACT: Improper authentication can permit a remote attacker to bypass security restrictions. IBM’s advisory identifies an incomplete remediation involving automatic-login security controls among the disclosed issues. EXPLOITATION STATUS: Vendor-confirmed vulnerability; no verified exploitation in the wild. Initial advisory October 28, updated October 29 to clarify remediation. FORENSIC TRIAGE: Examine unexpected authenticated sessions, auto-login configuration and abnormal API activity. URGENT ACTION: Upgrade to Langflow OSS 1.13.0. Back up deployment data and secret keys before upgrading. Prepare auto-login accounts for password authentication as instructed by IBM. SOURCE: https://www.ibm.com/support/pages/security-bulletin-langflow-oss-affected-multiple-vulnerabilities-2 CONFIDENCE: HIGH — IBM’s dated original security bulletin. #Langflow #AISecurity #AuthenticationBypass #CVE #CyberSecurity #AppSec

    0000049
    231 followersView on X
  • cve.now@cvedotnow

    🔴 IBM Langflow OSS: security restriction bypass in authentication (CVE-2026-93680) A remote attacker can bypass security restrictions because authentication is improperly enforced. Patch → see advisory https://cve.now/CVE-2026-93680

    00000445
    8.2K followersView on X
  • Aretiq.AI@AretiqAI

    ARETIQ Daily Vulnerability Bulletin — October 29, 2026 🔴 CRITICAL: CVE-2026-93680 (ibm/langflow_oss) AAS 12.4 — PoC on GitHub (nomi-sec/PoC-in-GitHub) 19 vulnerabilities — CRITICAL: 1, HIGH: 18 Full bulletin: https://aretiq.ai/bulletins/2026-10-29/

    0000055
    228 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Applangflowlangflow---

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