CVE-2026-59081

Deserialization of untrusted data in Edito CMS

High 8.4

Description

Edito CMS deserializes JSON data without further validation. A user (even an administrator) cannot exploit this vulnerability through the application's normal functionality. An attacker who could modify cache entries or inject them could execute code on the server. This issue was fixed in version 5.10.2607. Hotfixes for older versions (5.8) have also been released.

Key facts

Published: 13 Nov 2026
Last changed: 13 Nov 2026
Assigned by: CERT-PL
EPSS: 0.14% likely to be exploited in the next 30 days, higher than 3.449% of CVEs (scores for 15 Nov 2026)
SSVC (CISA): Exploitation: none; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

8.4CVSS 4.0, Highfrom the CNA (CERT-PL)CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

Vendor	Product	Versions
Edito	Edito CMS	Default status: unaffected 0 up to but excluding 5.10.2607 (affected)