CVE-2026-7733: Funadmin/funadmin Funadmin Has An Improper Access Vulnerability

MODERATE
Advisory Identifier: GHSA-qhh7-263p-54r3
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CVSS 7.3
CWE-284
Published
Advisory Summary

CVE-2026-7733 is a MODERATE (CVSS 7.3) funadmin has an improper access vulnerability (CWE-284: Improper Access Control) affecting Funadmin/funadmin libraries in the Packagist ecosystem. The issue involves funadmin has an improper access control issue. Remediation is available in the latest vendor maintenance releases.

CVE-2026-7733 at a Glance

CVE Identifier CVE-2026-7733
GHSA Identifier GHSA-qhh7-263p-54r3
Severity MODERATE
CVSS v3.1 Base Score 7.3
CWE Classification CWE-284: Improper Access Control
Affected Product Funadmin/funadmin
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 7.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability Low (A:L)

How to Fix CVE-2026-7733

To remediate this vulnerability, upgrade all affected Funadmin/funadmin dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

funadmin/funadmin fixed: Latest secure release 
Upgrade funadmin/funadmin to Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for funadmin/funadmin

How to Check if You Are Affected

To determine whether your application is affected by CVE-2026-7733, inspect your project dependencies for Funadmin/funadmin:

inspect dependencies for funadmin/funadmin

Analyze the terminal output to locate any version of Funadmin/funadmin in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-284: Improper Access Control, where the product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. In Funadmin/funadmin, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

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.

CVE-2026-7733 Affected Funadmin/funadmin Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
funadmin/funadmin
 Packagist
≤ 7.1.0-rc6

References

NVD — CVE-2026-7733 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-7733
gitee.com/funadmin/funadmin PACKAGE
https://gitee.com/funadmin/funadmin
gitee.com/funadmin/funadmin/i... WEB
https://gitee.com/funadmin/funadmin/issues/IJ8NXT
gitee.com/funadmin/funadmin/p... WEB
https://gitee.com/funadmin/funadmin/pulls/59
vuldb.com/submit/807559 WEB
https://vuldb.com/submit/807559
vuldb.com/vuln/360908 WEB
https://vuldb.com/vuln/360908
vuldb.com/vuln/360908/cti WEB
https://vuldb.com/vuln/360908/cti

Frequently Asked Questions

What is CVE-2026-7733?
CVE-2026-7733 is a security vulnerability in Funadmin/funadmin involving Funadmin has an Improper Access Control Issue under CWE-284: Improper Access Control.
Which Funadmin/funadmin versions are affected?
Affected versions include releases prior to current release patches across affected packages: funadmin/funadmin.
What version fixes CVE-2026-7733?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is funadmin/funadmin affected?
Yes, funadmin/funadmin is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2026-7733?
CVE-2026-7733 has a CVSS v3.1 base score of 7.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
What CWE is associated with CVE-2026-7733?
CVE-2026-7733 is classified under CWE-284: Improper Access Control (The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.).
How can I check Packagist dependencies for CVE-2026-7733?
Run the dependency tree command: 'inspect dependencies for funadmin/funadmin'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-qhh7-263p-54r3",
  "modified" : "2026-05-08T16:38:10Z",
  "published" : "2026-05-04T06:32:02Z",
  "aliases" : [ "CVE-2026-7733" ],
  "summary" : "Funadmin has an Improper Access Control Issue",
  "details" : "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.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS: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"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "funadmin/funadmin"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "7.1.0-rc6"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-7733"
  }, {
    "type" : "PACKAGE",
    "url" : "https://gitee.com/funadmin/funadmin"
  }, {
    "type" : "WEB",
    "url" : "https://gitee.com/funadmin/funadmin/issues/IJ8NXT"
  }, {
    "type" : "WEB",
    "url" : "https://gitee.com/funadmin/funadmin/pulls/59"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/submit/807559"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/vuln/360908"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/vuln/360908/cti"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-284" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-05-08T16:38:10Z",
    "nvd_published_at" : "2026-05-04T06:16:02Z"
  }
}