PYSEC-2026-2565
Langflow has an Information Leak through Incomplete API Key Redaction
At a glance
- Published
- Updated
- CVE
- CVE-2026-6597
- Aliases
- GHSA-5jjf-wcvf-923w
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
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.
Affected packages
| Package | Versions |
|---|---|
| PyPI · langflow | introduced 0, last affected 1.8.3 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-6597 ADVISORY
- https://gist.github.com/chenhouser2025/b93261c6e651f14800a4f2e4365f357b WEB
- https://github.com/langflow-ai/langflow PACKAGE
- https://vuldb.com/submit/791920 WEB
- https://vuldb.com/vuln/358232 WEB
- https://vuldb.com/vuln/358232/cti WEB
- https://pypi.org/project/langflow PACKAGE
- https://github.com/advisories/GHSA-5jjf-wcvf-923w ADVISORY
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — PyPA Advisory Database |