CVE-2026-108677
JeecgBoot through 3.9.5 Missing Authorization via /sys/api/getUserByName
- State
- Published
- Severity
- 7.1 High
- Published
- Oct 10, 2026
- Updated
- Oct 18, 2026
- Reserved
- Oct 10, 2026
Description
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in GET /sys/api/getUserByName that allows low-privileged authenticated users to retrieve any user's stored password value. Attackers can decrypt the AES-CBC protected response using the hard-coded key exposed by /sys/getEncryptedString to obtain administrators' password ciphertexts for offline guessing.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
JeecgBootjeecgboot |
|
References
- Researcher Proof of Conceptexploit
- Vulnerable Code (v3.9.5)technical-description
- VulnCheck Advisory: JeecgBoot through 3.9.5 Missing Authorization via /sys/api/getUserByNamethird-party-advisory
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