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CVE-2026-121539— miroslavpejic85 MiroTalk P2P Socket I/O server.js CheckPassword access control

Quick assessment

Affected
miroslavpejic85 MiroTalk P2P
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 MiroslavPejic85 开发的 MiroTalk P2P（版本 2.0.87 及 2.1.38 及以下）中发现一个漏洞。该问题影响的是组件 Socket.IO Handler 中文件 app/src/server.js 里的 CheckPassword 函数。通过操纵参数 peer_id，可导致访问控制不当，攻击者可远程发起攻击。升级至版本 2.1.39 可解决此问题，对应的补丁提交哈希为 4e40471abc48bfc32b4b174b8844716dfc5c1471。建议立即升级受影响的组件。

CVSS 6.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-121539

Vulnerability Information
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Vulnerability Title
miroslavpejic85 MiroTalk P2P Socket I/O server.js CheckPassword access control
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in miroslavpejic85 MiroTalk P2P up to 2.0.87/2.1.38. Affected by this issue is the function CheckPassword of the file app/src/server.js of the component Socket IO Handler. Performing a manipulation of the argument peer_id results in improper access controls. It is possible to initiate the attack remotely. Upgrading to version 2.1.39 can resolve this issue. The patch is named 4e40471abc48bfc32b4b174b8844716dfc5c1471. You should upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
miroslavpejic85 MiroTalk P2P 2.0.0 cpe:2.3:a:miroslavpejic85:mirotalk_p2p:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-121539

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III. Intelligence Information for CVE-2026-121539

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Other References for CVE-2026-121539 (6)

IV. Related Vulnerabilities

Same product: MiroTalk P2P
Same vendor: miroslavpejic85
Same weakness: CWE-284