CVE-2026-23733
Lobe Chat has Cross-Site Scripting (XSS) issue that may escalate to Remote Code Execution (RCE)
Description
LobeChat is an open source chat application platform. Prior to version 2.0.0-next.180, a stored Cross-Site Scripting (XSS) vulnerability in the Mermaid artifact renderer allows attackers to execute arbitrary JavaScript within the application context. This XSS can be escalated to Remote Code Execution (RCE) by leveraging the exposed `electronAPI` IPC bridge, allowing attackers to run arbitrary system commands on the victim's machine. Version 2.0.0-next.180 patches the issue.
INFO
Published Date :
Jan. 18, 2026, 11:15 p.m.
Last Modified :
Jan. 26, 2026, 3:05 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update LobeChat to version 2.0.0-next.180 or later.
- Verify the Mermaid renderer is properly secured.
- Review and restrict access to the electronAPI.
Public PoC/Exploit Available at Github
CVE-2026-23733 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-23733.
| URL | Resource |
|---|---|
| https://github.com/lobehub/lobe-chat/security/advisories/GHSA-4gpc-rhpj-9443 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-23733 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-23733
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
CatchClaw v5.3.0 — 多平台 AI Agent 安全评估工具，支持 OpenClaw / Dify / FastGPT / LobeChat / NextChat / AnythingLLM / Flowise / RagFlow 等 9 大平台。78 条 DAG 攻击链 | 78 个 Exploit 模块 | ATT&CK 阶段映射 | 多平台指纹识别 | Async Tokio 引擎 | 攻击图可视化
ai-security automation exploit nuclei-templates openclaw penetration-testing penetration-testing-tools rce reconnaissance red-team red-team-tools security security-tools ssrf vulnerability-scanner websocket dify lobechat multi-platform rust
Rust Python Makefile
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-23733 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-23733 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Jan. 18, 2026
Action Type Old Value New Value Added Description LobeChat is an open source chat application platform. Prior to version 2.0.0-next.180, a stored Cross-Site Scripting (XSS) vulnerability in the Mermaid artifact renderer allows attackers to execute arbitrary JavaScript within the application context. This XSS can be escalated to Remote Code Execution (RCE) by leveraging the exposed `electronAPI` IPC bridge, allowing attackers to run arbitrary system commands on the victim's machine. Version 2.0.0-next.180 patches the issue. Added CVSS V3.1 AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:L/A:L Added CWE CWE-94 Added Reference https://github.com/lobehub/lobe-chat/security/advisories/GHSA-4gpc-rhpj-9443