Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-108637
JeecgBoot through 3.9.5 Missing Authorization via deleteUserGroupBatch Endpoint
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N L N N L N 5.3 .0024 13.8 —
AFFECTED
Product Versions Fixed
JeecgBoot unspecified —
TIMELINE
Oct 10 Reserved by VulnCheck
Oct 10 Published (CNA: VulnCheck)
Oct 18 EXPLOIT PUBLISHED — CVE-2026-108637 (JeecgBoot). Public exploit reference added.
Description
JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to remove user group members by calling DELETE /sys/user/deleteUserGroupBatch. Attackers can supply any groupId and comma-separated userIds to delete sys_ugroup_user rows without permission or tenant checks, tampering with administrator-maintained groups.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| October 10, 2026 | Reserved | Reserved by VulnCheck |
| October 10, 2026 | Published | Published (CNA: VulnCheck) |
| October 18, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-108637 (JeecgBoot). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| jeecgboot | JeecgBoot | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-108637 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.