Auth bypass in Sanluan Publiccms
CVE-2026-8737
A weakness has been identified in Sanluan PublicCMS 5.202506.d. This issue affects the function execute of the file publiccms-trade/src/main/java/com/publiccms/views/directive/trade/TradeAddressListDirective.java of the component Trade Address Query Handler. Executing a manipulation of the argument userId/id can lead to missing authentication. The attack may be launched 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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.007 (51.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003
Affected products
- Sanluan Publiccms — versions 5.202506.d
Weakness classification (CWE)
References
- vuldb.com/submit/809885 (third-party-advisory)
- vuldb.com/vuln/364325 (technical-description, vdb-entry)
- vuldb.com/vuln/364325/cti (signature, permissions-required)
- vulnplus-note.wetolink.com/share/VqmGhijVKGBM (exploit)
Frequently asked questions
- What is CVE-2026-8737?
- CVE-2026-8737 is a medium-severity vulnerability in Sanluan Publiccms, classified under Improper Authentication. CVSS score: 5.3/10. Published 2026-05-17.
- How severe is CVE-2026-8737?
- Medium severity. CVSS v3 base score is 5.3 out of 10.