CVE-2026-116063

MEDIUM 4.7

DedeCMS update_guide.php require_once code injection

CVSS Score

4.7

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-94 CWE-74
Vendor	n/a
Product	dedecms
Published	Oct 25, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / DedeCMS

5.7.118

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/426146 vuldb.com: https://vuldb.com/vuln/426146/cti vuldb.com: https://vuldb.com/cve/CVE-2026-116063 vuldb.com: https://vuldb.com/submit/999433 github.com: https://github.com/SDshadow/cve github.com: https://github.com/SDshadow/cve/tree/main/DedeCMS/V5.7.118-update_guide-RCE/poc

Credits

🔍 Fantiane (VulDB User)