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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.

PUBLISHED Reserved 2026-04-19 | Published 2026-04-20 | Updated 2026-04-20 | Assigner VulDB




MEDIUM: 5.1CVSS: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
LOW: 2.7CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
LOW: 2.7CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
3.3AV:N/AC:L/Au:M/C:P/I:N/A:N/E:POC/RL:ND/RC:UR

Problem types

Unprotected Storage of Credentials

Credentials Management

Product status

1.8.0
affected

1.8.1
affected

1.8.2
affected

1.8.3
affected

Timeline

2026-04-19:Advisory disclosed
2026-04-19:VulDB entry created
2026-04-19:VulDB entry last update

Credits

Eric-d (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/358232 (VDB-358232 | langflow-ai langflow Flow Using API core.py has_api_terms credentials storage) vdb-entry technical-description

vuldb.com/vuln/358232/cti (VDB-358232 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/791920 (Submit #791920 | Langflow <= 1.8.3 Information Disclosure) third-party-advisory

gist.github.com/...user2025/b93261c6e651f14800a4f2e4365f357b exploit

cve.org (CVE-2026-6597)

nvd.nist.gov (CVE-2026-6597)

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