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JeecgBoot through 3.9.5 Missing Authorization via /sys/user/deleteGroupUser

Type: advisorySource: Official CVE List1 source record

JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to remove group memberships via the deleteGroupUser handler in SysUserController. Attackers can send DELETE requests with arbitrary groupId and userId values to remove any user from any administrator-maintained user group without ownership or tenant checks.

Announced Source revision 1
Original source ↗

CVE-2026-108638

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-108638

JeecgBoot

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://github.com/jeecgboot/JeecgBoot",
    "vendor": "jeecgboot",
    "product": "JeecgBoot",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "3.9.5"
      }
    ],
    "packageURL": "pkg:github/jeecgboot/JeecgBoot",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-108638

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#21385 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement