CVE-2026-107366
HIGH
CVSS 8.3
Published: 2026-10-20
Modified: 2026-10-21
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Threat Intelligence Pending
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Description
IBM Langflow OSS 1.0.0 through 1.12.4 contains three message endpoints that perform no ownership verification. Any authenticated user can bulk-delete another user's messages, overwrite message content to inject malicious prompts, or hijack an entire conversation session by reassigning its session ID.
Quick Facts
| CVE ID | CVE-2026-107366 |
| CVSS Score | 8.3 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L |
| Published | 2026-10-20 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |