CVE-2025-66451 describes an improper input validation vulnerability in LibreChat versions 0.8.0 and below, a ChatGPT clone. Attackers can exploit a PATCH endpoint for prompt groups to modify prompts in unintended ways due to unfiltered request bodies, potentially leading to unauthorized data manipulation. This medium-severity vulnerability (CVSS 6.5) has a low attack complexity and requires low privileges, with a high impact on integrity but no impact on confidentiality or availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.8.1CPE matchmatch criteria | cpe:2.3:a:librechat:librechat:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
No social media mentions found for this CVE.
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No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.