Advisory details:
pypa / langflow/PYSEC-2026-2568
| Advisory ID | pypa/langflow/PYSEC-2026-2568 |
| Aliases |
CVE-2026-6598
GHSA-9jpj-cph8-w449 PYSEC-2026-2568 |
| Summary | Langflow: Cleartext Storage of Authentication Settings in Project Creation Endpoint A security vulnerability has been detected in langflow-ai langflow up to 1.8.3. The affected element is the function create_project/encrypt_auth_settings of the file src/backend/base/Langflow/api/v1/projects.py of the component Project Creation Endpoint. Such manipulation of the argument auth_settings leads to cleartext storage in a file or on disk. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way. |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 3.9 |
| Risk | 1.9 |
| Affected and Fixed Packages | Package Details |
| Introduced and Fixed Package Commit Patches | Package Commit Patches Details |
| There are no known CWE. |
| System | Score | Found at |
|---|---|---|
| cvssv3.1 | 4.3 | https://github.com/pypa/advisory-database/blob/main/vulns/langflow/PYSEC-2026-2568.yaml |
| cvssv4 | 2.1 | https://github.com/pypa/advisory-database/blob/main/vulns/langflow/PYSEC-2026-2568.yaml |
| Reference id | Reference type | URL |
|---|---|---|
| https://github.com/langflow-ai/langflow | ||
| https://github.com/langflow-ai/langflow/commit/45325f6376309a91f5017fa033a96c09c7e295e3 | ||
| https://pypi.org/project/langflow | ||
| 358233 | Advisory | https://vuldb.com/vuln/358233 |
| 77adb3486c06c635ae4b09a3eaf90213 | Exploit | https://gist.github.com/chenhouser2025/77adb3486c06c635ae4b09a3eaf90213 |
| 791921 | Advisory | https://vuldb.com/submit/791921 |
| cti | Other | https://vuldb.com/vuln/358233/cti |
| CVE-2026-6598 | https://nvd.nist.gov/vuln/detail/CVE-2026-6598 | |
| GHSA-9jpj-cph8-w449 | https://github.com/advisories/GHSA-9jpj-cph8-w449 |
No EPSS data available for this advisory.
| Patch URL | |
|---|---|
| There are no known patches. | |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Attack Requirements (AT) | Privileges Required (PR) | User Interaction (UI) | Vulnerable System Impact Confidentiality (VC) | Vulnerable System Impact Integrity (VI) | Vulnerable System Impact Availability (VA) | Subsequent System Impact Confidentiality (SC) | Subsequent System Impact Integrity (SI) | Subsequent System Impact Availability (SA) |
|---|---|---|---|---|---|---|---|---|---|---|
network adjacent local physical |
low high |
none present |
none low high |
none passive active |
high low none |
high low none |
high low none |
high low none |
high low none |
high low none |
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-20T16:19:05Z/
Decision: Track
Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/6xxx/CVE-2026-6598.json
Source Advisory: vulnrichment/CVE-2026-6598
[{'Exploitation': 'poc'},
{'Automatable': 'no'},
{'Technical Impact': 'partial'},
{'Mission Prevalence': 'minimal'},
{'Public Well-being Impact': 'material'},
{'Mission & Well-being': 'medium'}]