Vulnerability · Published Sep 10, 2026 · Assigned by ibm

CVE-2026-81265Langflow is vulnerable to server-side request forgery due to missing egress validation on server-side URL fetches

High 7.5

In plain English

A high-severity server-side request forgery in Langflow OSS from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 66.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

IBM Langflow OSS 1.0.0 through 1.11.5.

Affected products (as reported)

VendorProductVersions
IBM Langflow OSS 1.0.0 – through 1.11.5

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References