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CVE-2026-116063— DedeCMS update_guide.php require_once code injection

Quick assessment

Affected

n/a DedeCMS

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 DedeCMS 5.7.118 及以下版本中发现一处安全弱点。受影响的是文件中的函数。攻击者可通过操纵参数触发代码注入。该漏洞可被远程利用。相关利用代码已向公众公开，可能被用于实施攻击。

CVSS 4.7 · Medium Updated Oct 26, 2026

Possible ATT&CK Techniques 2 AI

T1059.007 · JavaScript T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

Vendor	Product	Version Range	Status
n/a	DedeCMS	`5.7.118`	affected

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Vulnerability Information

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Vulnerability Title

DedeCMS update_guide.php require_once code injection

Source: CVE Program / CVE List V5

Vulnerability Description

A weakness has been identified in DedeCMS up to 5.7.118. Impacted is the function require_once of the file dede/update_guide.php. This manipulation of the argument vtime causes code injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

对生成代码的控制不恰当(代码注入)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
-	DedeCMS	5.7.118	`cpe:2.3:a:dedecms:dedecms::::::::`

II. Public POCs for CVE-2026-116063

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-116063

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Proof of Concept for CVE-2026-116063 (2)

https://www.cve.org/CVERecord?id=CVE-2026-116063

Same Patch Batch · n/a · 2026-10-25 · 3 CVEs total

CVE-2026-116094	7.3 HIGH	EyouCMS function.php remote_file_to_local server-side request forgery
CVE-2026-116054	2.2 LOW	SH3 Módulo de Gestão/Módulo de Arrecadação weak password hash

IV. Related Vulnerabilities

Same product: DedeCMS

Same vendor: n/a

Same weakness: CWE-94