CVE-2026-18545

Medium

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.

SeverityMedium

CVSS4.3

Exploit probability—

Product

Langflow

PublishedAug 28, 2026

First seenAug 28, 2026

Weakness typeCWE-918Server-side request forgery (SSRF)

How to fix

Update

langflow langflow1.11.2 or later

Patches

ibm.com/support/pages/node/7284579

Affected products

Product	Affected versions	Fixed in
langflow langflow	1.0.0 ≤ v < 1.11.2	1.11.2

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