Vulnerability details

CVE-2026-81213

IBM Langflow OSS

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

CVSS 3.1

8.6High

Official description

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote attacker to obtain sensitive information from internal network resources due to improper validation of user-supplied URLs.

CVSS scores

Score	Version	Source	Vector
8.6High	3.1	CVEProject cvelistV5 (CNA) (ibm)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N`

Affected products

Vendor	Product	Versions	Source
IBM	Langflow OSS	1.0.0 ≤ v ≤ 1.11.5	CVEProject cvelistV5 (CNA)

References and advisories

https://www.ibm.com/support/pages/node/7286665 vendor-advisorypatch

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Details

Published: 2026-09-11
Last updated: 2026-09-12
State: Published
Assigner (CNA): ibm

Exploit prediction (EPSS)

0.48%

Probability of exploitation in 30 days

42.2%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: None
Technical impact: Partial

Weaknesses (CWE)

CWE-918
Server-Side Request Forgery (SSRF)