Vulnerability · Published Oct 10, 2026 · Assigned by VulnCheck

CVE-2026-108641JeecgBoot through 3.9.5 IDOR via /sys/sysAnnouncementSend/getOne

Medium 4.3

In plain English

A medium-severity authorization bypass via user-controlled key in JeecgBoot from jeecgboot. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.2%top 84.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

JeecgBoot through 3.9.5 contains an insecure direct object reference vulnerability that allows authenticated users to read other users' in-application messages via the getOne handler of SysAnnouncementSendController. Attackers can obtain delivery record ids from the unguarded /sys/sysAnnouncementSend/list endpoint and supply them as the sendId parameter to retrieve message titles, bodies, senders and recipients.

Affected products (as reported)

Vendor	Product	Versions
jeecgboot	JeecgBoot	0 – through 3.9.5

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

References

Researcher Proof of Concept exploit
Vulnerable Code (v3.9.5) technical-description
VulnCheck Advisory: JeecgBoot through 3.9.5 IDOR via /sys/sysAnnouncementSend/getOne third-party-advisory