Vulnerability · Published Sep 16, 2026 · Assigned by VulnCheck

CVE-2026-92603ContiNew Admin through 4.1.0 Unauthorized Message Deletion via UserMessageController

Medium 6.5

In plain English

A medium-severity authorization bypass via user-controlled key in continew-admin from continew-org. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.5%top 59.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

ContiNew Admin through 4.1.0 contains an authorization bypass vulnerability in the personal message delete endpoint that allows authenticated users to delete other users' messages and announcements. Attackers can supply arbitrary message identifiers in the IdsReq parameter to remove any message row and purge all recipients' read receipts without ownership validation.

Affected products (as reported)

VendorProductVersions
continew-org continew-admin 0 – through 4.1.0

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

References