CVE-2026-7733

HIGHNVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory published 2026-05-04. NVD baseline CVSS 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
7.3
EG Score
7.3(medium)
EPSS
21.3%
KEV
Not listed

Published

May 4, 2026

Last Modified

May 5, 2026

Advisory Details (3)

Auto-updated May 4, 2026
No patch confirmed yet.
generic

fix: 修复分片上传接口缺失文件安全校验导致任意文件上传 · Pull Request !59 · funadmin/funadmin - Gitee.com

https://gitee.com/funadmin/funadmin/pulls/59
generic

[Security] Pre-Auth Arbitrary File Upload via Chunked Upload Endpoint (RCE / GetShell) · Issue #IJ8NXT · funadmin/funadmin - Gitee.com

https://gitee.com/funadmin/funadmin/issues/IJ8NXT
generic

funadmin: 全栈开发框架首发AI MCP工具开发🔥🔥🔥FunAdmin是基于 ThinkPHP8.1 和 Layui 开发的轻量级含多种主题的后台开发系统,集成Layui常用组件、CRUD生成快速模块,支持按钮级别权限控制

https://gitee.com/funadmin/funadmin/

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
composerfunadmin/funadmin—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFixed inDependents
funadmin/funadminv1.02 ... v7.1.0-rc6 (83 versions)——

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 36× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 121 total refreshes for this CVE.

  1. 2026-07-16 17:03 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 02:00 UTCEPSS rescore
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  1. 2026-06-28 04:56 UTCEPSS rescore
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  16. 2026-06-15 06:53 UTCGHSA enrichment
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  22. 2026-06-13 23:00 UTCEPSS rescore
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  25. 2026-06-12 07:40 UTCEG score recompute
  26. 2026-06-12 07:40 UTCGHSA enrichment
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  37. 2026-06-10 10:38 UTCGHSA enrichment
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  44. 2026-06-08 14:17 UTCEPSS rescore
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  46. 2026-06-08 11:20 UTCGHSA enrichment
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  49. 2026-06-07 15:25 UTCEPSS rescore
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  51. 2026-06-07 12:47 UTCGHSA enrichment
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  61. 2026-06-05 15:45 UTCGHSA enrichment
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  64. 2026-06-05 04:28 UTCGHSA enrichment
  65. 2026-06-04 17:09 UTCEG score recompute
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  67. 2026-06-04 13:12 UTCEPSS rescore
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  69. 2026-06-04 05:53 UTCGHSA enrichment
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  74. 2026-06-02 20:13 UTCEPSS rescore
  75. 2026-06-02 19:58 UTCEG score recompute

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2026-7733?
CVE-2026-7733 is a high vulnerability published on May 4, 2026. 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…
When was CVE-2026-7733 disclosed?
CVE-2026-7733 was first published in the National Vulnerability Database on May 4, 2026, with the most recent update on May 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-7733 actively exploited?
CVE-2026-7733 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-7733?
CVE-2026-7733 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-7733?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-7733, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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