CVE-2025-41258 | LibreChat RAG API Authentication Bypass

Exp

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.

Published: 2026-03-18 Last update: 2026-03-24 Assigner: 1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a Source: 1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-41258 is rated Exploit Available (53.5/100): CVSS High severity, with low exploitation likelihood (EPSS 0.06%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2025-41258

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2025-41258

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-12 0.03% 0.06% +0.03%
2 2026-03-18 — 0.03% —

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-41258

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.0 3.1 HIGH
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:A)
Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.1 5.9 1e3a9e0f-5156-4bf8-b8a3-cc311bfc0f4a

Weakness enumeration for CVE-2025-41258

Affected software / configurations for CVE-2025-41258

Vendor Product Version Raw CPE
librechat librechat 0.8.1 cpe:2.3:a:librechat:librechat:0.8.1:rc2:*:*:*:*:*:*

References for CVE-2025-41258

cvelogic Threat Intelligence