CVE-2026-12822
langflow-ai langflow Bundle URL Loader code injection
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.
INFO
Published Date :
June 22, 2026, 12:16 a.m.
Last Modified :
June 26, 2026, 1:35 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Update langflow-ai langflow to the latest version.
- Apply vendor patches when available.
- Restrict local access to the affected component.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-12822.
| URL | Resource |
|---|---|
| https://github.com/dxz0069/softwareoverflow/blob/main/langflow_bundle_url_custom_component_startup_rce_vulndb.md | Exploit Mitigation Third Party Advisory |
| https://vuldb.com/cve/CVE-2026-12822 | Third Party Advisory VDB Entry |
| https://vuldb.com/submit/837582 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/372612 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/372612/cti | Permissions Required VDB Entry |
| https://github.com/dxz0069/softwareoverflow/blob/main/langflow_bundle_url_custom_component_startup_rce_vulndb.md | Exploit Mitigation Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-12822 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-12822
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-12822 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-12822 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jun. 26, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:* versions up to (excluding) 1.9.3 Added Reference Type VulDB: https://github.com/dxz0069/softwareoverflow/blob/main/langflow_bundle_url_custom_component_startup_rce_vulndb.md Types: Exploit, Mitigation, Third Party Advisory Added Reference Type VulDB: https://vuldb.com/cve/CVE-2026-12822 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/submit/837582 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/372612 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/372612/cti Types: Permissions Required, VDB Entry Added Reference Type CISA-ADP: https://github.com/dxz0069/softwareoverflow/blob/main/langflow_bundle_url_custom_component_startup_rce_vulndb.md Types: Exploit, Mitigation, Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 23, 2026
Action Type Old Value New Value Added Reference https://github.com/dxz0069/softwareoverflow/blob/main/langflow_bundle_url_custom_component_startup_rce_vulndb.md Added SSVC {'id': 'CVE-2026-12822', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-23T13:38:49.223145Z'} -
New CVE Received by [email protected]
Jun. 22, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*'], 'vendor': 'langflow-ai', 'modules': ['Bundle URL Loader'], 'product': 'langflow', 'versions': [{'status': 'affected', 'version': '1.9.0'}, {'status': 'affected', 'version': '1.9.1'}, {'status': 'affected', 'version': '1.9.2'}, {'status': 'affected', 'version': '1.9.3'}]}] Added 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. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:L/AC:L/Au:S/C:P/I:P/A:P) Added CWE CWE-94 Added CWE CWE-74 Added Reference https://github.com/dxz0069/softwareoverflow/blob/main/langflow_bundle_url_custom_component_startup_rce_vulndb.md Added Reference https://vuldb.com/cve/CVE-2026-12822 Added Reference https://vuldb.com/submit/837582 Added Reference https://vuldb.com/vuln/372612 Added Reference https://vuldb.com/vuln/372612/cti