SSRF in Dedecms
CVE-2026-10581
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.002 (9.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Dedecms — versions 5.7.88
Weakness classification (CWE)
References
- vuldb.com/vuln/367676 (technical-description, vdb-entry)
- vuldb.com/vuln/367676/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-10581 (third-party-advisory)
- vuldb.com/submit/829404 (third-party-advisory)
Frequently asked questions
- What is CVE-2026-10581?
- CVE-2026-10581 is a medium-severity vulnerability in Dedecms, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-06-02.
- How severe is CVE-2026-10581?
- Medium severity. CVSS v3 base score is 6.3 out of 10.