CVE-2026-12822
MEDIUM
5.3
CVSS 3.1
Description
A vulnerability was identified in langflow-ai langflow up to 1.9.3. This affects an unknown function of the component Bundle URL Loader. The manipulation leads to code injection. The attack needs to be performed locally. The vendor was contacted early about this disclosure but did not respond in any way.
Metadata
Severity & Metrics
5.3
MEDIUM CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| langflow-ai | langflow | — | 1.9.0, 1.9.1, 1.9.2, 1.9.3 |
CVSS scores (4)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 5.3 | MEDIUM | 3.1 | cna | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| 5.3 | MEDIUM | 3.0 | cna | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| 4.8 | MEDIUM | 4.0 | cna | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P |
| 4.3 | N/D | 2.0 | cna | AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR |
References (5)
- VDB-372612 | langflow-ai langflow Bundle URL Loader code injection https://vuldb.com/vuln/372612
- VDB-372612 | CTI Indicators (IOB, IOC, TTP) https://vuldb.com/vuln/372612/cti
- CVE-2026-12822 | CVE Analysis and Report https://vuldb.com/cve/CVE-2026-12822
- Submit #837582 | langflow-ai/langflow - `Langflow bundle URL loading` - `custom component discovery/import path` <=1.9.3 Remote Code Execution / Untrusted Code Loading https://vuldb.com/submit/837582
- https://github.com/dxz0069/softwareoverflow/blob/main/langflow_bundle_url_custom_component_startup_rce_vulndb.md