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Medium 6.5Published Apr 30, 2026
CVE-2026-3345Path Traversal and Arbitrary File Write Vulnerability in IBM Langflow Desktop API v2 File Upload Endpoint
Updated under an hour ago ()
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It affects IBM Langflow Desktop and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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IBM Langflow Desktop <=1.8.4 Langflow could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system.
- CVSS
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-22
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- ibm
- NVD analysis
- Analyzed
- Record last updated
- May 27, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
IBM Langflow Desktop ibm:langflow_desktop | through 1.8.4 | CNA record |
langflow langflow_desktop langflow:langflow_desktop | through 1.8.4 | NVD |
References
- https://www.ibm.com/support/pages/node/7271094vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.