danny-avila LibreChat 0.8.1-rc2 JWT Secret access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6$0-$5k0.00

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 03/24/2026). 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.

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Productinfo

Type

Vendor

Name

Version

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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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
03/24/2026 +6 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
Updated: 03/24/2026 22:50
Changes: 03/18/2026 15:22 (64), 03/24/2026 22:50 (1)
Complete: 🔍
Cache ID: 216::103

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