Vulnerability details

CVE-2026-4503

IBM Langflow Desktop

Unauthenticated Insecure Direct Object Reference (IDOR) Vulnerability in Langflow Desktop Image Download Endpoint

CVSS 3.1

7.5High

Official description

IBM Langflow Desktop 1.0.0 through 1.8.4 Langflow could allow an unauthenticated user to view other users' images due to an indirect object reference through a user-controlled key.

CVSS scores

Score	Version	Source	Vector
7.5High	3.1	CVEProject cvelistV5 (CNA) (ibm)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`

Affected products

Vendor	Product	Versions	Source
IBM	Langflow Desktop	1.0.0 ≤ v ≤ 1.8.4	CVEProject cvelistV5 (CNA)

References and advisories

https://www.ibm.com/support/pages/node/7271099 vendor-advisorypatch

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Details

Published: 2026-05-01
Last updated: 2026-06-12
State: Published
Assigner (CNA): ibm

Exploit prediction (EPSS)

0.34%

Probability of exploitation in 30 days

27.5%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: None
Technical impact: Partial

Weaknesses (CWE)

CWE-639
Authorization Bypass Through User-Controlled Key