Vulnerability · Published Jun 2, 2026 · Assigned by VulDB
CVE-2026-10581DedeCMS download.php base64_decode server-side request forgery
Medium 6.3
In plain English
A medium-severity server-side request forgery in DedeCMS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.2%top 89.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-367676 | DedeCMS download.php base64_decode server-side request forgery vdb-entry, technical-description
- VDB-367676 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-10581 | CVE Analysis and Report third-party-advisory
- Submit #829404 | DedeCMS DedeCMS Content Management System v5.7.88 Server-Side Request Forgery (SSRF) / Open Redirect third-party-advisory