crmeb_java up to 1.3.4 Admin Upload UploadServiceImpl.java model unrestricted upload
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in crmeb_java up to 1.3.4 and classified as critical. This issue affects some unknown processing of the file crmeb/crmeb-service/src/main/java/com/zbkj/service/service/impl/UploadServiceImpl.java of the component Admin Upload. Executing a manipulation of the argument model can lead to unrestricted upload. This vulnerability is handled as CVE-2026-7673. The attack can be executed remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability was found in crmeb_java up to 1.3.4. It has been declared as critical. This vulnerability affects an unknown code of the file crmeb/crmeb-service/src/main/java/com/zbkj/service/service/impl/UploadServiceImpl.java of the component Admin Upload. The manipulation of the argument model with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability.
The advisory is available at fx4tqqfvdw4.feishu.cn. This vulnerability was named CVE-2026-7673. The exploitation appears to be easy. The attack can be initiated remotely. The exploitation needs additional levels of successful authentication. Technical details and also a public exploit are known. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.
It is possible to download the exploit at fx4tqqfvdw4.feishu.cn. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-26807). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.7VulDB Meta Temp Score: 4.3
VulDB Base Score: 4.7
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Unrestricted uploadCWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
05/02/2026 Advisory disclosed05/02/2026 VulDB entry created
05/03/2026 VulDB entry last update
Sources
Advisory: fx4tqqfvdw4.feishu.cnStatus: Not defined
CVE: CVE-2026-7673 (🔒)
GCVE (CVE): GCVE-0-2026-7673
GCVE (VulDB): GCVE-100-360826
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 05/02/2026 10:27Updated: 05/03/2026 05:33
Changes: 05/02/2026 10:27 (57), 05/03/2026 05:33 (1)
Complete: 🔍
Submitter: xcxr
Cache ID: 216::103
Submit
Accepted
- Submit #800684: crmeb crmeb_java 1.3.4 Unrestricted Upload (by xcxr)
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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