Auth bypass in Pig-Mesh Pig
CVE-2026-111343
pig through 4.1.1 contains a missing authorization vulnerability in SysUserController.user that allows any authenticated user to read other users' profiles via GET /admin/user/details/{id}. Low-privilege attackers can enumerate sequential user ids to obtain usernames, real names, phone numbers, emails, linked third-party accounts, and role assignments.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@hieuPenguinnn/pig-mesh-user-details-byid-missing-authz-idor (third-party-advisory)
- github.com/pig-mesh/pig/blob/v4.1.1/pig-upms/pig-upms-biz/src/main/java/com/pig… (technical-description)
- github.com/pig-mesh/pig (product)
- www.vulncheck.com/advisories/pig-through-4.1.1-missing-authorization-via-get-ad… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111343?
- CVE-2026-111343 is a medium-severity vulnerability in Pig-Mesh Pig, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-10-15.
- How severe is CVE-2026-111343?
- Medium severity. CVSS v3 base score is 4.3 out of 10.