Is CVE-2026-116063 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-116063 being exploited in the wild.

How severe is CVE-2026-116063?

Medium severity, with a CVSS score of 4.7, published 25 October 2026.

Is there a fix for CVE-2026-116063?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-116063 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-116063?

Check whether you run DedeCMS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-116063: DedeCMS code injection in update_guide.php

CVE-2026-116063 · Severity: medium · CVSS 4.7 · Published 2026-10-25

DedeCMS is a content management system used to build and manage websites. A code injection vulnerability in the update guide function allows unauthenticated attackers to execute arbitrary code remotely on affected systems. Successful exploitation could lead to complete server compromise and data theft.

Quick answers

Is CVE-2026-116063 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-116063 being exploited in the wild.
How severe is CVE-2026-116063?: Medium severity, with a CVSS score of 4.7, published 25 October 2026.
Which products and versions are affected?: DedeCMS up to 5.7.118.
Is there a fix for CVE-2026-116063?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-116063 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-116063?: Check whether you run DedeCMS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is a code injection flaw (CWE-94, CWE-96) in the require_once function of dede/update_guide.php, triggered via manipulation of the vtime argument. The attack is network-accessible and requires no authentication. Successful exploitation grants remote code execution on the affected system.

Affected products

DedeCMS up to 5.7.118

Timeline

2026-09-25: disclosed
2026-10-25: advisory

References

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