CVE-2026-18899 — HIGH (7.5)

Q: What is CVE-2026-18899?

CVE-2026-18899 is a vulnerability with a CVSS score of 7.5 (HIGH). IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to read arbitrary files due to path traversal.

Q: How severe is CVE-2026-18899?

CVE-2026-18899 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-18899?

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 1.11.1 could allow a remote attacker to read arbitrary files due to path traversal.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Langflow	Langflow	>= 1.0.0, < 1.11.2

Related Weaknesses (CWE)

CWE-22

References

https://www.ibm.com/support/pages/node/7284579Vendor Advisory

FAQ

What is CVE-2026-18899?

CVE-2026-18899 is a vulnerability with a CVSS score of 7.5 (HIGH). IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to read arbitrary files due to path traversal.

How severe is CVE-2026-18899?

CVE-2026-18899 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-18899?

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