Arbitrary file upload in Crmeb Java
CVE-2026-7673
A vulnerability was detected in crmeb_java up to 1.3.4. This vulnerability affects unknown code of the file crmeb/crmeb-service/src/main/java/com/zbkj/service/service/impl/UploadServiceImpl.java of the component Admin Upload. Performing a manipulation of the argument model results in unrestricted upload. Remote exploitation of the attack is possible. The exploit is now public and may be used. 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 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (29.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- Crmeb Java — versions 1.3.0, 1.3.1, 1.3.2
Weakness classification (CWE)
References
- vuldb.com/vuln/360826 (technical-description, vdb-entry)
- vuldb.com/vuln/360826/cti (signature, permissions-required)
- vuldb.com/submit/800684 (third-party-advisory)
- fx4tqqfvdw4.feishu.cn/docx/EgMOdHyq6oyxhux5vpJcr5cgnAf (exploit)
Frequently asked questions
- What is CVE-2026-7673?
- CVE-2026-7673 is a medium-severity vulnerability in Crmeb Java, classified under Improper Access Control. CVSS score: 4.7/10. Published 2026-05-03.
- How severe is CVE-2026-7673?
- Medium severity. CVSS v3 base score is 4.7 out of 10.