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VulnerabilityPublished

CVE-2026-3345: IBM Langflow Desktop <=1.8.4 Langflow could allow a remote attacker to traverse directories on the

Source GCVE Database

0
Authoritative record:CVE-2026-3345· Medium 6.5

Not known to be exploited · CVSS 6.5 Medium.

Data as of 27 Oct 2026, 00:34 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
IBMLangflow DesktopAffected
  • <=1.8.4
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.

References

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