CVE-2026-17623 — HIGH (8.8)

Q: What is CVE-2026-17623?

CVE-2026-17623 is a vulnerability with a CVSS score of 8.8 (HIGH). IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of the command field in MCP server configurations.

Q: How severe is CVE-2026-17623?

CVE-2026-17623 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-17623?

Check the references section above for vendor advisories and patch information. Affected products include: Langflow Langflow.

Vulnerability Description

IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of the command field in MCP server configurations.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Langflow	Langflow	>= 1.0.0, < 1.11.0

Related Weaknesses (CWE)

CWE-78

References

https://www.ibm.com/support/pages/node/7282147Vendor Advisory

FAQ

What is CVE-2026-17623?

CVE-2026-17623 is a vulnerability with a CVSS score of 8.8 (HIGH). IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of the command field in MCP server configurations.

How severe is CVE-2026-17623?

CVE-2026-17623 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-17623?

Check the references section above for vendor advisories and patch information. Affected products include: Langflow Langflow.