CVE-2026-108642

Medium

Description

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in SysAnnouncementSendController that allows authenticated users to modify other users' message delivery records. Attackers can obtain delivery ids from GET /sys/sysAnnouncementSend/list and submit edit requests that overwrite read flags, recipient ids, or linked announcements to hide messages from recipients.

SeverityMedium

CVSS4.3

Exploit probability—

ProductJeecgBoot

PublishedOct 10, 2026

First seenOct 10, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
jeecgboot JeecgBoot	v ≤ 3.9.5	—

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