CVSS 7.3 · HIGH

CVE-2026-7733

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.

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Analysis

Funadmin is a niche PHP management framework with limited usage among the community. Although this vulnerability allows for remote unrestricted file uploads and an exploit exists, the product's low adoption rate does not warrant a high-priority alert for the general developer population.

Severity

Score: 7.3(HIGH)

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

AV: NETWORK

AC: LOW

PR: NONE

UI: NONE

S: UNCHANGED

C: LOW

I: LOW

A: LOW

Weakness (CWE): CWE-284CWE-434

EPSS

Probability of exploitation (next 30 days): 0.0004 (0.0%)

Percentile: 13.6%

EPSS: 2026-05-06

Technical description

Published: 5/4/2026, 6:16:02 AM

Last modified: 5/5/2026, 7:11:29 PM

References

How to read this card

Actively exploited

KEV (Known Exploited Vulnerabilities) is CISA's catalog of CVEs confirmed as actively exploited in the real world. If a CVE is on KEV, someone is already using it in attacks.

CVSS 10.0

CVSS 10.0 — máxima severidad teórica. Explotable de forma remota, sin privilegios, con impacto total. Aún no confirmada como explotada en el mundo real, pero parchea ya.

AI-recommended

Un modelo de lenguaje revisó el CVE y consideró que afecta a software ampliamente desplegado o herramientas comunes de desarrollo. Un humano del equipo aprobó la publicación antes de que llegara aquí.

Categorías de impacto que evalúa la IA

widely_deployed_infra — kernel Linux, OpenSSL, glibc, k8s, Docker, nginx, OpenSSH.

popular_dev_tooling — Node.js, Python, Go, React, Next.js, librerías comunes de npm/pip.

common_consumer_software — Chrome, Firefox, Windows, macOS, apps móviles populares.

enterprise_saas — GitHub, GitLab, Atlassian, Salesforce, Cisco, Fortinet, Ivanti.

niche_software — CMS regionales, herramientas de hobby, librerías de poco uso.

not_relevant — firmware específico de proveedor, software descontinuado.

EPSS — EPSS (Exploit Prediction Scoring System) by FIRST.org estimates the probability that a CVE will be exploited in the next 30 days. Range is 0 to 1; very fresh CVEs typically score low until evidence accumulates.