CVE-2026-3345: IBM Langflow Desktop <=1.8.4 Langflow could allow a remote attacker to traverse directories on the
Source GCVE Database
Not known to be exploited · CVSS 6.5 Medium.
Data as of 27 Oct 2026, 00:34 UTC
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 30 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBMLangflow Desktop | Affected
| Fixed in– |
AI-suggested
Until a fix is available, restrict access to the affected service and monitor for suspicious URL requests containing directory traversal patterns.
Description
IBM Langflow Desktop versions up to 1.8.4 contain a directory traversal vulnerability. A remote attacker can exploit this by sending a specially crafted URL with "dot dot" sequences (/../) to access arbitrary files on the affected system without authorization.