Vulnerability · Published Oct 10, 2026 · Assigned by VulnCheck
CVE-2026-108618JeecgBoot through 3.9.5 Missing Authorization via sysMessageTemplate Edit Endpoint
Medium 4.3
In plain English
A medium-severity missing authorization 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 15% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 85.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to modify message templates via PUT /sys/message/sysMessageTemplate/edit. Attackers can obtain template ids from the unguarded list endpoint and overwrite system notification titles and content, delivering attacker-supplied text or links to other users.
Affected products (as reported)
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
References
- Researcher Proof of Concept exploit
- Vulnerable Code (v3.9.5) technical-description
- VulnCheck Advisory: JeecgBoot through 3.9.5 Missing Authorization via sysMessageTemplate Edit Endpoint third-party-advisory