Auth bypass in Sanluan Publiccms
CVE-2026-97721
A weakness has been identified in Sanluan PublicCMS up to 6.202506.e. This vulnerability affects the function CmsContentAdminController of the file publiccms-parent/publiccms-core/src/main/java/com/publiccms/controller/admin/sys/SysUserAdminController.java of the component exportExcel/exportData. This manipulation of the argument userId/deptId causes authorization bypass. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (13.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
The 30-day trend appears once there are two daily scores.
Affected products
- Sanluan Publiccms — versions 6.202506.a, 6.202506.b, 6.202506.c
Weakness classification (CWE)
References
- vuldb.com/vuln/409820 (technical-description, vdb-entry)
- vuldb.com/vuln/409820/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-97721 (third-party-advisory)
- vuldb.com/submit/910956 (third-party-advisory)
- github.com/aibot88/CVERequest/blob/main/PublicCMS/issue7.md (exploit)
Frequently asked questions
- What is CVE-2026-97721?
- CVE-2026-97721 is a low-severity vulnerability in Sanluan Publiccms, classified under Improper Authorization. CVSS score: 2.7/10. Published 2026-09-25.
- How severe is CVE-2026-97721?
- Low severity. CVSS v3 base score is 2.7 out of 10.