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CVE-2026-116063medium5.8

DedeCMS update_guide.php require_once code injection

Impact

DedeCMS up to 5.7.118 has a code injection weakness in the require_once function of update_guide.php, potentially allowing remote exploitation. The vulnerability is caused by manipulation of the vtime argument.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

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Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

n/a · VulDB

DedeCMS

1 range
VulDB version evidence

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affected

5.7.118

unaffected

unknown

Other versions: unknown

Product identifiers (CPE)cpe:2.3:a:dedecms:dedecms:*:*:*:*:*:*:*:*

Original source 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.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-116063

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Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-94 ↗

Code Injection

VulDB

Related →
CWE-74 ↗

Injection

VulDB

Related →
Contributing organizations · 2
VulDB

Assigning organization

2026-10-25
CISA-ADP

Additional data publisher

2026-10-26

What changed

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References

6 sources
github.com/SDshadow/cve/tree/main/DedeCMS/V5.7.118-update_guide-RCE/poc
exploitVulDB
vuldb.com/vuln/426146
vdb-entryVulDB
vuldb.com/vuln/426146/cti
signatureVulDB
vuldb.com/cve/CVE-2026-116063
third-party-advisoryVulDB
vuldb.com/submit/999433
third-party-advisoryVulDB
github.com/SDshadow/cve
relatedVulDB