CVE-2026-25776 — CRITICAL (9.8)

Q: What is CVE-2026-25776?

CVE-2026-25776 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Movable Type provided by Six Apart Ltd. contains a code injection vulnerability which may allow an attacker to execute arbitrary Perl script.

Q: How severe is CVE-2026-25776?

CVE-2026-25776 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-25776?

Check the references section above for vendor advisories and patch information. Affected products include: Sixapart Movable Type.

Vulnerability Description

Movable Type provided by Six Apart Ltd. contains a code injection vulnerability which may allow an attacker to execute arbitrary Perl script.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Sixapart	Movable Type	<= 2.14

Related Weaknesses (CWE)

CWE-94

References

https://jvn.jp/en/jp/JVN66473735/Third Party Advisory
https://movabletype.org/news/2026/04/mt-907-released.htmlVendor Advisory
https://www.sixapart.jp/movabletype/news/2026/04/08-1100.htmlVendor Advisory

FAQ

What is CVE-2026-25776?

CVE-2026-25776 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Movable Type provided by Six Apart Ltd. contains a code injection vulnerability which may allow an attacker to execute arbitrary Perl script.

How severe is CVE-2026-25776?

CVE-2026-25776 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-25776?

Check the references section above for vendor advisories and patch information. Affected products include: Sixapart Movable Type.