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CVE-2026-104312

Langflow OSS is affected by multiple vulnerabilities

Severity
Medium 6.8
Published
29 Oct 2026
Last changed
30 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.12.4
Sources
NVD, CVE Program

Description

IBM Langflow OSS 1.0.0 through 1.12.3 could allow an authenticated attacker to produce a server-generated ZIP archive containing entry paths that traverse outside the intended extraction directory. Extraction of the archive by a victim using a non-sanitizing tool could result in arbitrary file write on the victim's host.

Affected software

SoftwareAffected versions
LangflowServers and applications · cna:ibm|langflow oss
  • From 1.0.0 up to 1.12.3
LangflowServers and applications · cpe:a:langflow:langflow
  • From 1.0.0 before 1.12.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-104312
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-104312