CVE-2026-6598 | langflow-ai langflow up to 1.8.3 Project Creation Endpoint projects.py create_project/encrypt_auth_settings cleartext storage in file

VDB-358233 · SUBMIT #791921 · CVE-2026-6598 LANGFLOW-AI LANGFLOW UP TO 1.8.3 PROJECT CREATION ENDPOINT PROJECTS.PY CREATE_PROJECT/ENCRYPT_AUTH_SETTINGS CLEARTEXT STORAGE IN FILE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.9 $0-$5k 2.05+ Summaryinfo A vulnerability, which was classified as problematic, has been found in langflow-ai langflow up to 1.8.3. The impacted 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. Performing a manipulation of the argument auth_settings results in cleartext storage in file. This vulnerability was named CVE-2026-6598. The attack may be initiated remotely. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability was found in langflow-ai langflow up to 1.8.3. It has been classified as problematic. This affects the function create_project/encrypt_auth_settings of the file src/backend/base/Langflow/api/v1/projects.py of the component Project Creation Endpoint. The manipulation of the argument auth_settings with an unknown input leads to a cleartext storage in file vulnerability. CWE is classifying the issue as CWE-313. The product stores sensitive information in cleartext in a file, or on disk. This is going to have an impact on confidentiality. The advisory is shared at gist.github.com. This vulnerability is uniquely identified as CVE-2026-6598. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1555 for this issue. The exploit is shared for download at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Artificial Intelligence Software Vendor langflow-ai Name langflow Version 1.8.0 1.8.1 1.8.2 1.8.3 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.3 VulDB Meta Temp Score: 3.9 VulDB Base Score: 4.3 VulDB Temp Score: 3.9 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Cleartext storage in file CWE: CWE-313 / CWE-312 / CWE-310 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/19/2026 Advisory disclosed 04/19/2026 +0 days VulDB entry created 04/19/2026 +0 days VulDB entry last update Sourcesinfo Advisory: gist.github.com Status: Not defined CVE: CVE-2026-6598 (🔒) GCVE (CVE): GCVE-0-2026-6598 GCVE (VulDB): GCVE-100-358233 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/19/2026 15:52 Changes: 04/19/2026 15:52 (59) Complete: 🔍 Submitter: Eric-f Cache ID: 99:6C4:101 Submitinfo Accepted Submit #791921: Langflow <= 1.8.3 CWE-311: Missing Encryption of Sensitive Data (by Eric-f) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸