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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Multiple

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00253.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Dedecms Subscribe
Dedecms Subscribe

No data.

No data.

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No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Mon, 26 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sun, 25 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
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.
Title DedeCMS update_guide.php require_once code injection
First Time appeared Dedecms
Dedecms dedecms
Weaknesses CWE-74
CWE-94
CPEs cpe:2.3:a:dedecms:dedecms:*:*:*:*:*:*:*:*
Vendors & Products Dedecms
Dedecms dedecms
References
Metrics cvssV2_0

{'score': 5.8, 'vector': 'AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:C'}

cvssV3_0

{'score': 4.7, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV3_1

{'score': 4.7, 'vector': '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'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-10-26T16:39:15.047Z

Reserved: 2026-10-24T21:46:16.650Z

Link: CVE-2026-116063

cve-icon Vulnrichment

Updated: 2026-10-26T16:00:05.333Z

cve-icon NVD

Status : Deferred

Published: 2026-10-25T18:16:47.110

Modified: 2026-10-26T17:17:19.627

Link: CVE-2026-116063

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-25T21:45:06Z

Weaknesses