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Description

A flaw has been found in funadmin up to 7.1.0-rc6. This affects the function UploadService::chunkUpload of the file app/common/service/UploadService.php of the component Frontend Chunked Upload Endpoint. This manipulation of the argument File causes unrestricted upload. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: 59. To fix this issue, it is recommended to deploy a patch.

PUBLISHED Reserved 2026-05-03 | Published 2026-05-04 | Updated 2026-05-04 | Assigner VulDB




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
HIGH: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
HIGH: 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

Unrestricted Upload

Improper Access Controls

Timeline

2026-05-03:Advisory disclosed
2026-05-03:VulDB entry created
2026-05-03:VulDB entry last update

Credits

anch0r (VulDB User) reporter

References

vuldb.com/vuln/360908 (VDB-360908 | funadmin Frontend Chunked Upload Endpoint UploadService.php chunkUpload unrestricted upload) vdb-entry technical-description

vuldb.com/vuln/360908/cti (VDB-360908 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/807559 (Submit #807559 | FunAdmin v<=V7.1.0-rc6 Unrestricted Upload) third-party-advisory

gitee.com/funadmin/funadmin/issues/IJ8NXT exploit issue-tracking

gitee.com/funadmin/funadmin/pulls/59 patch

gitee.com/funadmin/funadmin/ product

cve.org (CVE-2026-7733)

nvd.nist.gov (CVE-2026-7733)

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