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CVE-2026-104316

Langflow OSS is affected by multiple vulnerabilities

Severity
Medium 6.5
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 cancel any victim's running background workflow job by sending a single HTTP request, resulting in loss of in-progress compute work with no flow-level permission check.

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-2026-104316
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-104316