CVE-2026-6597 Details
Description
A weakness has been identified in langflow-ai langflow up to 1.8.3. Impacted is the function remove_api_keys/has_api_terms of the file src/backend/base/langflow/api/utils/core.py of the component Flow Using API. This manipulation causes unprotected storage of credentials. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
A vulnerability allowing information disclosure has been identified in Langflow versions through 1.8.3. The issue arises in the Flow Using API component, specifically within the `remove_api_keys` function in `src/backend/base/langflow/api/utils/core.py`. This function fails to properly redact sensitive information, such as API keys and passwords, when exporting flow data. The vulnerability can be exploited remotely, and a public proof-of-concept is available.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Apr 20, 2026CISA-ADP
Assessed Apr 20, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gist.github.com/chenhouser2025/b93261c6e651f14800a4f2e4365f357b | [email protected] | ExploitTechnical Description |
| https://vuldb.com/submit/791920 | [email protected] | Technical Description |
| https://vuldb.com/vuln/358232 | [email protected] | AdvisoryExploitPartial Content |
| https://vuldb.com/vuln/358232/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-255 | Credentials Management Errors | [email protected] |
| CWE-256 | Plaintext Storage of a Password | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| langflow-ai langflow | <= 1.8.3 (semver) |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Apr 20, 2026 | New CVE Received | [email protected] |