by Kastro
Paper/Archive/CVE-2026-10560

CVE-2026-10560

IBM Langflow OSS — Unauthenticated Access to Private Flow Build Events and Cancellation in Langflow OSS

EPSS 0.5%CVSS 9.1
critical.is priorityof 100
36
CVSS 9.1 (NVD)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 41.6.416 × 208.3No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

IBM Langflow OSS 1.0.0 through 1.9.6 contains a missing authentication vulnerability in /api/v1/build_public_tmp/ endpoints that allows an unauthenticated attacker to read build event data or cancel jobs using a valid job identifier, resulting in information disclosure and denial of service.

Affected

ProductAffectedFixed inSource
Langflow OSS1.0.0 – 1.9.6–CNA

Scores by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
ibm (CNA)8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

patchibm.com/support/pages/node/7277996