Critical 9.3Published Apr 8, 2026

CVE-2026-25776Movable Type provided by Six Apart Ltd.

Updated under an hour ago (2026-10-19 06:25 UTC)

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It affects sixapart movable_type. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for sixapart movable_type

Exploited in the last 30 days

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

CVSS: 9.3 CRITICAL (v4.0, NVD)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
Weakness (CWE): CWE-94
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jul 25, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

sixapart movable_type sixapart:movable_type	through 2.14; 9.0.5; 9.0.6; 9.1.0; from 8.0.2 before 8.0.10; from 8.8.0 before 8.8.3; from 9.0.1 before 9.0.7; 9.1.0	NVD

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.