CVE-2026-93680 IBM Langflow OSS - Authentication Bypass

IBM Langflow OSS 1.0.0 through 1.12.8 contains a broken authentication caused by improper authentication, letting remote attackers bypass security restrictions, exploit requires no special conditions.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
2.27% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
29 October 2026
Updated
31 October 2026
Weakness
CWE-287

Vendor fix

Update to the latest version beyond 1.12.8.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs