# CVE-2026-84478 — WWBN AVideo

> As of 2026-09-01, CVE-2026-84478 is a HIGH-severity vulnerability in WWBN AVideo, CVSS v3.1 7.3, EPSS 0.3% (29.3th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-84478 as of 2026-09-01; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-09-01

## What is CVE-2026-84478?

WWBN AVideo contains a path traversal vulnerability in the API get_api_login_code endpoint that allows unauthenticated attackers to delete arbitrary .log files by supplying directory traversal sequences in the code parameter. Attackers can exploit this to destroy audit logs and probe for file existence on the server, with the vulnerability enabling both file deletion and information disclosure about the filesystem.

The record classifies CVE-2026-84478 under weakness class [CWE-73](https://intel.threadlinqs.com/cwe/CWE-73). 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 34 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 7.3 — HIGH (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L`)
- **CVSS v4.0 base score:** 6.9 (`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`)
- **EPSS (FIRST):** 0.3% probability of exploitation in the next 30 days, higher than 29.3% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.8/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-01

## Is CVE-2026-84478 being exploited?

It currently carries a trending score of 37 in the Threadlinqs vulnerability feed.

## Affected products and versions

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

## How to fix CVE-2026-84478

No vendor patch reference has been recorded for CVE-2026-84478 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-2026-84478

No threat campaign in the Threadlinqs corpus currently references CVE-2026-84478, 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, GitHub Security Advisories, FIRST EPSS. Last verified by Threadlinqs on 2026-09-03.

**Vendor advisory and patch**

- [github.com — vendor advisory](https://github.com/WWBN/AVideo/security/advisories/GHSA-wh69-gqmj-rcqg)

**Third-party advisory**

- [vulncheck.com — third party advisory](https://www.vulncheck.com/advisories/wwbn-avideo-unauthenticated-arbitrary-log-file-deletion)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-84478
Full detection coverage and IOCs for threats exploiting CVE-2026-84478 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp