CVE-2026-105741 Langflow - Misconfiguration

Langflow 1.5.0 to 1.10.3 contains an IP spoofing vulnerability caused by improper validation of X-Forwarded-For header in MCP configuration installation endpoint, letting authenticated attackers bypass local-only restriction and overwrite configuration files.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.21% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Misconfiguration
Impact
File System Write
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Published
5 October 2026
Updated
15 October 2026
Weakness
CWE-290

Vendor fix

Update to version 1.10.3 or later.

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

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