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9.8

Langflow OSS may let remote attackers bypass login

CVE-2026-93680 · published 4 days ago
Summary

Versions 1.0.0 through 1.12.8 of IBM Langflow OSS do not correctly verify user identity, allowing a remote attacker to get past security checks. This could let an unauthorized person access or control the system. Upgrade to the latest released version or apply the vendor's security patch to resolve the issue.

What to do
  • Update langflow langflow to version 1.13.0 or later.
Affected software
VendorProductAffected versions
ibm langflow oss <= 1.12.8
langflow langflow >= 1.0.0, < 1.13.0
cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*
Original advisory text
Langflow OSS is affected by multiple vulnerabilities
IBM Langflow OSS 1.0.0 through 1.12.8 could allow a remote attacker to bypass security restrictions due to improper authentication.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
9.8 Critical
Exploitation
2% chance of attack within 30 days
Type
CWE-287Improper Authentication
Timeline
Published29 Oct 2026
Updated31 Oct 2026
First seen29 Oct 2026
Sources
CVE-2026-93680 · NVD
CVE-2026-93680 · MITRE
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