What’s Vulnerable › Vulnerabilities
CVE-2026-4502: Arbitrary File Write and Remote Code Execution Vulnerability in Langflow v2 API
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-04-30 · updated 2026-10-26
- Weakness: CWE-22
Description
IBM Langflow Desktop 1.2.0 through 1.8.4 Langflow could allow an authenticated attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to write arbitrary files on the system.
Affected products
- IBM Langflow Desktop: from 1.2.0 through 1.8.4
References
Get alerted when CVE-2026-4502 or the next vulnerability affects your stack