IBM Langflow OSS 1.0.0-1.10.2 SSRF Remote Authenticated Info Leak
CVE-2026-17631 Published on September 4, 2026
Langflow OSS is affected by server-side request forgery due to missing URL validation in flow components
IBM Langflow OSS 1.0.0 through 1.10.2 could allow a remote authenticated attacker to obtain sensitive information due to a server-side request forgery (SSRF) vulnerability.
Vulnerability Analysis
CVE-2026-17631 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is a SSRF Vulnerability?
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. By providing URLs to unexpected hosts or ports, attackers can make it appear that the server is sending the request, possibly bypassing access controls such as firewalls that prevent the attackers from accessing the URLs directly. The server can be used as a proxy to conduct port scanning of hosts in internal networks, use other URLs such as that can access documents on the system (using file://), or use other protocols such as gopher:// or tftp://, which may provide greater control over the contents of requests.
CVE-2026-17631 has been classified to as a SSRF vulnerability or weakness.
Products Associated with CVE-2026-17631
Want to know whenever a new CVE is published for IBM Langflow Oss? stack.watch will email you.
Affected Versions
IBM Langflow OSS:- Version 1.0.0, <= 1.10.2 is affected.