CVE-2025-41258 | danny-avila LibreChat 0.8.1-rc2 JWT Secret access control

VDB-351533 · CVE-2025-41258 · GCVE-0-2025-41258 DANNY-AVILA LIBRECHAT 0.8.1-RC2 JWT SECRET ACCESS CONTROL HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.6 $0-$5k 0.17+ Summaryinfo A vulnerability was found in danny-avila LibreChat 0.8.1-rc2. It has been rated as critical. The affected element is an unknown function of the component JWT Secret Handler. The manipulation leads to access control. This vulnerability is listed as CVE-2025-41258. The attack must be carried out from within the local network. There is no available exploit. Detailsinfo A vulnerability, which was classified as critical, has been found in danny-avila LibreChat 0.8.1-rc2. This issue affects an unknown function of the component JWT Secret Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is: LibreChat version 0.8.1-rc2 uses the same JWT secret for the user session mechanism and RAG API which compromises the service-level authentication of the RAG API. The weakness was presented by Lisa Gnedt. The advisory is shared at github.com. The identification of this vulnerability is CVE-2025-41258 since 04/16/2025. The exploitation is known to be easy. The attack needs to approached within the local network. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/18/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Chat Software Vendor danny-avila Name LibreChat Version 0.8.1-rc2 CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.7 VulDB Meta Temp Score: 6.6 VulDB Base Score: 5.5 VulDB Temp Score: 5.3 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 8.0 CNA Vector (sba-research): 🔒 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: Access control CWE: CWE-284 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Partially Availability: 🔒 Status: Not defined 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 04/16/2025 CVE reserved 03/18/2026 +336 days Advisory disclosed 03/18/2026 +0 days VulDB entry created 03/18/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Researcher: Lisa Gnedt Status: Not defined CVE: CVE-2025-41258 (🔒) GCVE (CVE): GCVE-0-2025-41258 GCVE (VulDB): GCVE-100-351533 Entryinfo Created: 03/18/2026 15:22 Changes: 03/18/2026 15:22 (64) Complete: 🔍 Cache ID: 99:DE0:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸