CVE-2026-117687
Six Apart Movable Type Dynamic Publishing Remote Code Injection
Description
Movable Type provided by Six Apart Ltd. contains a code injection vulnerability in its Dynamic Publishing functionality. By sending a specially crafted request that is processed by the Dynamic Publishing, an attacker may be able to execute arbitrary PHP code on the affected product.
INFO
Published Date :
Nov. 12, 2026, 4:17 a.m.
Last Modified :
Nov. 12, 2026, 4:17 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-117687
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.0 | HIGH | ede6fdc4-6654-4307-a26d-3331c018e2ce | ||||
| CVSS 3.0 | HIGH | MITRE-CVE | ||||
| CVSS 3.0 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | ede6fdc4-6654-4307-a26d-3331c018e2ce | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update Movable Type to the latest version.
- Disable Dynamic Publishing if not needed.
- Review and sanitize all user inputs.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-117687.
| URL | Resource |
|---|---|
| https://jvn.jp/en/jp/JVN11786640/ | |
| https://movabletype.org/news/2026/11/mt-887-released.html | |
| https://www.sixapart.jp/movabletype/news/2026/11/11-1100.html |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-117687 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-117687
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-117687 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-117687 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Nov. 12, 2026
Action Type Old Value New Value Added Description Movable Type provided by Six Apart Ltd. contains a code injection vulnerability in its Dynamic Publishing functionality. By sending a specially crafted request that is processed by the Dynamic Publishing, an attacker may be able to execute arbitrary PHP code on the affected product. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L Added CWE CWE-94 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/117xxx/CVE-2026-117687.json">CVE-2026-117687</a> Added Reference https://jvn.jp/en/jp/JVN11786640/ Added Reference https://movabletype.org/news/2026/11/mt-887-released.html Added Reference https://www.sixapart.jp/movabletype/news/2026/11/11-1100.html