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

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-16 · updated 2026-09-24
Weakness: CWE-639

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

continew-org continew-admin: through 4.1.0

References

https://github.com/continew-org/continew-admin
https://github.com/continew-org/continew-admin/blob/v4.1.0/continew-system/src/main/java/top/continew/admin/system/controller/UserMessageController.java#L93-L97
https://github.com/continew-org/continew-admin/blob/v4.1.0/continew-system/src/main/java/top/continew/admin/system/service/impl/MessageServiceImpl.java#L130-L135
https://github.com/continew-org/continew-admin/commit/665ea2c757a3f1246db62fb139fec1aac3cca296
https://github.com/continew-org/continew-admin/issues/220
https://www.vulncheck.com/advisories/continew-admin-through-4.1.0-unauthorized-message-deletion-via-usermessagecontroller
https://github.com/continew-org/continew-admin/issues/220

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