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CVE-2026-10581— DedeCMS download.php base64_decode server-side request forgery

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.

DesDev DedeCMS（织梦内容管理系统）是中国卓卓（DesDev）公司的一套基于PHP的开源内容管理系统（CMS）。该系统具有内容发布、内容管理、内容编辑和内容检索等功能。 DesDev DedeCMS 5.7.88版本存在代码问题漏洞，该漏洞源于对文件/plus/download.php?open=1中base64_decode函数的Link参数操作，可能导致服务端请求伪造。

CVSS 6.3 · Medium EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a DedeCMS 5.7.88 affected
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I. Basic Information for CVE-2026-10581

Vulnerability Information
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Vulnerability Title
DedeCMS download.php base64_decode server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in DedeCMS 5.7.88. Affected by this vulnerability is the function base64_decode of the file /plus/download.php?open=1. This manipulation of the argument Link causes server-side request forgery. Remote exploitation of the attack is possible. The exploit has been published and may be used.
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
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
DesDev DedeCMS 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DesDev DedeCMS（织梦内容管理系统）是中国卓卓（DesDev）公司的一套基于PHP的开源内容管理系统（CMS）。该系统具有内容发布、内容管理、内容编辑和内容检索等功能。 DesDev DedeCMS 5.7.88版本存在代码问题漏洞，该漏洞源于对文件/plus/download.php?open=1中base64_decode函数的Link参数操作，可能导致服务端请求伪造。
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
- DedeCMS 5.7.88 cpe:2.3:a:dedecms:dedecms:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-10581

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III. Intelligence Information for CVE-2026-10581

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Same Patch Batch · n/a · 2026-06-02 · 16 CVEs total

CVE-2026-10608 7.3 HIGH DedeCMS carbuyaction.php RemoveXSS sql injection
CVE-2026-10607 7.3 HIGH DedeCMS flink.php dede_htmlspecialchars sql injection
CVE-2026-10606 7.3 HIGH DedeCMS Feedback feedback.php TrimMsg sql injection
CVE-2026-10565 3.1 LOW Open5GS NGAP Handover gmm-sm.c gmm_state_security_mode race condition
CVE-2026-35717 Vivotek FD8136 安全漏洞
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CVE-2026-35718 Vivotek VIVOTEK FD8136-VVTK 安全漏洞
CVE-2026-38978 Transmission 安全漏洞
CVE-2026-30652 Vivotek FD8136 安全漏洞
CVE-2026-30649 Vivotek VIVOTEK FD8136-VVTK 安全漏洞
CVE-2026-30650 Vivotek FD8136 安全漏洞
CVE-2026-48682 FastNetMon 安全漏洞
CVE-2026-38967 Crow 安全漏洞
CVE-2026-30586 Memos 安全漏洞
CVE-2026-33553 Northern.tech CFEngine Enterprise 安全漏洞

IV. Related Vulnerabilities

Same product: DedeCMS
Same vendor: n/a
Same weakness: CWE-918

V. Comments for CVE-2026-10581

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