Auth bypass in Sanluan Publiccms
CVE-2026-121583
A vulnerability was identified in Sanluan PublicCMS 5. This affects the function TradePaymentService.pendingRefund of the file publiccms-parent/publiccms-trade/src/main/java/com/publiccms/logic/service/trade/TradePaymentService.java. The manipulation of the argument userId leads to authorization bypass. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The web trade payment controller was removed starting with the 202608 series (commit 7329437).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
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
- Sanluan Publiccms — versions 5
Weakness classification (CWE)
References
- vuldb.com/vuln/430428 (technical-description, vdb-entry)
- vuldb.com/vuln/430428/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-121583 (third-party-advisory)
- vuldb.com/submit/1020265 (third-party-advisory)
Frequently asked questions
- What is CVE-2026-121583?
- CVE-2026-121583 is a medium-severity vulnerability in Sanluan Publiccms, classified under Improper Authorization. CVSS score: 6.3/10. Published 2026-11-04.
- How severe is CVE-2026-121583?
- Medium severity. CVSS v3 base score is 6.3 out of 10.