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CVE-2026-64836— ICEcoder through 8.1 Path Traversal via Ineffective File::check() Confinement

Quick assessment

Affected

ICEcoder ICEcoder

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.

ICEcoder是ICEcoder个人开发者开源的一款基于浏览器的代码编辑工具。 ICEcoder 8.1及之前版本存在安全漏洞，该漏洞源于file-control端点文档根目录限制检查存在逻辑错误，File::check()验证函数将realpath()与布尔值true进行比较，导致验证始终不成功，经过身份验证的攻击者可在file参数中提交遍历序列或绝对路径，读取、写入或删除配置文档根目录之外的文件。

CVSS 8.8 · High EPSS 0.61% · P49 Updated Sep 10, 2026

Possible ATT&CK Techniques 3 AI

T1565 · Data Manipulation T1083 · File and Directory Discovery T1083.005

Affected Version Matrix 1

Vendor	Product	Version Range	Status
ICEcoder	ICEcoder	`8.0≤ 8.1`	affected

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I. Basic Information for CVE-2026-64836

Vulnerability Information

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Vulnerability Title

ICEcoder through 8.1 Path Traversal via Ineffective File::check() Confinement

Source: CVE Program / CVE List V5

Vulnerability Description

ICEcoder versions through 8.1 contain a path traversal vulnerability in the file-control endpoint due to a logic error in the document-root confinement check. The File::check() validation function compares realpath() to boolean true, which never succeeds, allowing authenticated attackers to submit traversal sequences or absolute paths in the file parameter to read, write, or delete files outside the configured document root.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

对路径名的限制不恰当(路径遍历)

Source: CVE Program / CVE List V5

Vulnerability Title

ICEcoder 路径遍历漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
ICEcoder	ICEcoder	8.0 ~ 8.1	-

II. Public POCs for CVE-2026-64836

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-64836

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Patches & Fixes for CVE-2026-64836 (1)

🔗 ICEcoder/classes/File.php at 4a61847ef7bb0360735cf1d55c45e5de9746e24e · icecoder/ICEcoder · GitHub Read full article technical-description

Vendor Advisories for CVE-2026-64836 (2)

🔗 cve-advisories/2026/ICEcoder/CVE-2026-64836.md at main · Caycon/cve-advisories · GitHub Read full article third-party-advisory
🔗 ICEcoder through 8.1 Path Traversal via Ineffective File::check() Confinement | Advisories | VulnCheck third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-64836

Same Patch Batch · ICEcoder · 2026-09-10 · 3 CVEs total

CVE-2026-64837	8.8 HIGH	ICEcoder through 8.1 OS Command Injection via lib/properties.php
CVE-2026-64838	8.3 HIGH	ICEcoder through 8.1 Path Traversal via oldFileName Parameter

IV. Related Vulnerabilities

Same product: ICEcoder

Same vendor: ICEcoder

Same weakness: CWE-22