CVE-2026-18545

Langflow is affected by multiple authentication bypass, path traversal, authorization, and server-side request forgery vulnerabilities

State: Published
Severity: 4.3 Medium
Published: Aug 28, 2026
Updated: Aug 31, 2026
Reserved: Jul 31, 2026

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Description

IBM Langflow OSS 1.0.0 through 1.11.1 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	ibm

Weaknesses

CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

Product	Versions
Langflow OSSIBM	1.0.0 through 1.11.1Affected

References

https://www.ibm.com/support/pages/node/7284579vendor-advisorypatch

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