Vulnerability record/PUBLISHED/Published Oct 24, 2026 08:00:11 UTC

CVE-2026-94075

Deserialization of Untrusted Data vulnerability in Tribulant Software Newsletters newsletters-lite allows Object Injection.This issue affects Newsletters: from n/a through 4.18.1.

Base score9.8/ 10

SeverityCriticalCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityCritical

Attack vectorNetworkAV

Attack complexityLowAC

Privileges requiredNonePR

User interactionNoneUI

ScopeUnchangedS

Confidentiality impactHighC

Integrity impactHighI

Availability impactHighA

CVSS vector stringCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering AuthorityPatchstack

Last updatedOct 24, 2026 14:46:59 UTC

PublishedOct 24, 2026 08:00:11 UTC

ReservedSep 20, 2026 00:21:51 UTC

Credits

Ananda Dhakal (Patchstack)