CVE-2026-17621 — MEDIUM (5.4)

Q: How severe is CVE-2026-17621?

CVE-2026-17621 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-17621?

Check the references section above for vendor advisories and patch information. Affected products include: Langflow Langflow, Apple Macos, Linux Linux Kernel, Microsoft Windows.

Vulnerability Description

IBM Langflow OSS 1.0.0 through 1.10.2 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot " sequences ( /.. /) to view arbitrary files on the system.

CVSS Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Langflow	Langflow	>= 1.0.0, < 1.10.3
Apple	Macos	-
Linux	Linux Kernel	-
Microsoft	Windows	-

Related Weaknesses (CWE)

CWE-22

References

https://www.ibm.com/support/pages/node/7286293PatchVendor Advisory

FAQ

What is CVE-2026-17621?

CVE-2026-17621 is a vulnerability with a CVSS score of 5.4 (MEDIUM). IBM Langflow OSS 1.0.0 through 1.10.2 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot " sequences ( /.. ...

How severe is CVE-2026-17621?

CVE-2026-17621 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-17621?

Check the references section above for vendor advisories and patch information. Affected products include: Langflow Langflow, Apple Macos, Linux Linux Kernel, Microsoft Windows.