JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the sendBusAnnouncement handler of SystemApiController that allows any authenticated user to send announcements without the required permissions. Low-privileged attackers can POST crafted bodies to /sys/api/sendBusAnnouncement with forged sender, recipients, title and content to deliver spoofed admin or system messages for phishing.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-862"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108679.json"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "3.9.5"
},
{
"fixed": "3.9.5"
}
],
"source": [
"AFFECTED_FIELD",
"DESCRIPTION"
]
}