langflow-ai langflow Flow Using API core.py has_api_terms credentials storage
Summary
| CVE | CVE-2026-6597 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-04-20 03:16:17 UTC |
| Updated | 2026-04-20 03:16:17 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 5.1 MEDIUM from [email protected]
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/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
Problem Types: CWE-255 | CWE-256 | CWE-256 Unprotected Storage of Credentials | CWE-255 Credentials Management
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 5.1 | MEDIUM | 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/C... |
| 4.0 | CNA | DECLARED | 5.1 | MEDIUM | 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 |
| 3.1 | [email protected] | Primary | 2.7 | LOW | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N |
| 3.1 | CNA | DECLARED | 2.7 | LOW | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R |
| 3.0 | CNA | DECLARED | 2.7 | LOW | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R |
| 2.0 | [email protected] | Secondary | 3.3 | AV:N/AC:L/Au:M/C:P/I:N/A:N | |
| 2.0 | CNA | DECLARED | 3.3 | AV:N/AC:L/Au:M/C:P/I:N/A:N/E:POC/RL:ND/RC:UR |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
HighUser Interaction
NoneConfidentiality
LowIntegrity
NoneAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS: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/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
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
HighUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
NoneAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
HighUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
NoneAvailability
NoneCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Langflow-ai | Langflow | affected 1.8.0 | Not specified |
| CNA | Langflow-ai | Langflow | affected 1.8.1 | Not specified |
| CNA | Langflow-ai | Langflow | affected 1.8.2 | Not specified |
| CNA | Langflow-ai | Langflow | affected 1.8.3 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| vuldb.com/submit/791920 | [email protected] | vuldb.com | |
| vuldb.com/vuln/358232/cti | [email protected] | vuldb.com | |
| gist.github.com/chenhouser2025/b93261c6e651f14800a4f2e4365f357b | [email protected] | gist.github.com | |
| vuldb.com/vuln/358232 | [email protected] | vuldb.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Eric-d (VulDB User) (en)
CNA: VulDB CNA Team (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-04-19T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-04-19T02:00:00.000Z | VulDB entry created |
| CNA | 2026-04-19T15:52:19.000Z | VulDB entry last update |
There are currently no legacy QID mappings associated with this CVE.