5.9
Medium
CVE-2026-10547 IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate ownership in the deprecated POST…
Description
IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate ownership in the deprecated POST /api/v1/build/{flow_id}/vertices endpoint, allowing an authenticated user to inject arbitrary graph data into a shared cache for any flow. This may result in cross-user cache pollution, unauthorized workflow execution, or denial of service.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Langflow OSS 1.0 | 1.0.0 → 1.10.3 | No fix stated |
Other CVEs of Langflow OSS
The 176 CVEs of Langflow OSS →
CVE-2026-18894
IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote attacker to trigger pre-existing stored Python component code…
6.5
Medium
CVE-2026-77817
IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to obtain sensitive information due to…
6.5
Medium
CVE-2026-77819
IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote authenticated attacker to overwrite arbitrary files due to…
6.5
Medium
CVE-2026-90991
IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to cause a denial of service due to…
6.5
Medium