CVE-2026-6597 | langflow-ai langflow up to 1.8.3 Flow Using API core.py remove_api_keys/has_api_terms credentials storage

VDB-358232 · SUBMIT #791920 · CVE-2026-6597 LANGFLOW-AI LANGFLOW UP TO 1.8.3 FLOW USING API CORE.PY REMOVE_API_KEYS/HAS_API_TERMS CREDENTIALS STORAGE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 2.5 $0-$5k 1.56+ Summaryinfo A vulnerability classified as problematic was found in langflow-ai langflow up to 1.8.3. The affected element 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. Such manipulation leads to credentials storage. This vulnerability is uniquely identified as CVE-2026-6597. The attack can be launched remotely. Moreover, an exploit is present. 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 and classified as problematic. Affected by this issue 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. The manipulation with an unknown input leads to a credentials storage vulnerability. Using CWE to declare the problem leads to CWE-256. Storing a password in plaintext may result in a system compromise. Impacted is confidentiality. The advisory is shared for download at gist.github.com. This vulnerability is handled as CVE-2026-6597. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are required for exploitation. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1552. The exploit is available 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: 2.7 VulDB Meta Temp Score: 2.5 VulDB Base Score: 2.7 VulDB Temp Score: 2.5 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: Credentials storage CWE: CWE-256 / CWE-255 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-2026-6597 (🔒) GCVE (CVE): GCVE-0-2026-6597 GCVE (VulDB): GCVE-100-358232 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/19/2026 15:52 Changes: 04/19/2026 15:52 (58) Complete: 🔍 Submitter: Eric-d Cache ID: 99:43A:101 Submitinfo Accepted Submit #791920: Langflow <= 1.8.3 Information Disclosure (by Eric-d) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸