# CVE-2026-90548 — WWBN AVideo

> As of 2026-09-12, CVE-2026-90548 is a MEDIUM-severity vulnerability in WWBN AVideo, CVSS v3.1 5.3, EPSS 0.2% (14.3th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-90548 as of 2026-09-12; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-09-12

## What is CVE-2026-90548?

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate user permissions in the ImageGallery list.json.php endpoint, allowing unauthenticated access to list gallery files. Attackers can retrieve filenames and URLs of password-protected image galleries by directly accessing the endpoint, then fetch the exposed files without authentication.

The record classifies CVE-2026-90548 under weakness class [CWE-200](https://intel.threadlinqs.com/cwe/CWE-200). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 23 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 5.3 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **CVSS v4.0 base score:** 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 14.3% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-12

## Is CVE-2026-90548 being exploited?

It currently carries a trending score of 33 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [WWBN](https://intel.threadlinqs.com/vendors/wwbn): AVideo

## How to fix CVE-2026-90548

No vendor patch reference has been recorded for CVE-2026-90548 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-90548

No threat campaign in the Threadlinqs corpus currently references CVE-2026-90548, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-09-14.

**Vendor advisory and patch**

- [github.com — vendor advisory](https://github.com/WWBN/AVideo/security/advisories/GHSA-vr35-39vf-9qp9)

**Third-party advisory**

- [vulncheck.com — third party advisory](https://www.vulncheck.com/advisories/wwbn-avideo-missing-authorization-in-imagegallery-list-json-php)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-90548
Full detection coverage and IOCs for threats exploiting CVE-2026-90548 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp