# CVE-2026-64626 — WWBN AVideo

> As of 2026-07-20, CVE-2026-64626 is a MEDIUM-severity vulnerability in WWBN AVideo, CVSS v3.1 6.4, EPSS 0.1% (8.4th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-64626 as of 2026-07-20; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-07-20

## What is CVE-2026-64626?

AVideo versions from commit 0dbadbca through latest master contain a server-side request forgery vulnerability in the encoder download-by-URL flow due to an unpinned retry fallback that bypasses DNS pinning validation. An authenticated attacker can supply a downloadURL that redirects to an internal address, causing the unpinned retry to follow the redirect and reach internal targets for blind SSRF attacks.

The record classifies CVE-2026-64626 under weakness class [CWE-918](https://intel.threadlinqs.com/cwe/CWE-918). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 77 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 6.4 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N`)
- **CVSS v4.0 base score:** 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N`)
- **EPSS (FIRST):** 0.1% probability of exploitation in the next 30 days, higher than 8.4% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 5.5/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-07-20

## Is CVE-2026-64626 being exploited?

Weaponised exploit code for CVE-2026-64626 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 40 in the Threadlinqs vulnerability feed.

- [trickest/cve](https://github.com/trickest/cve/blob/main/2026/CVE-2026-64626.md) (trickest)

## Affected products and versions

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

## How to fix CVE-2026-64626

No vendor patch reference has been recorded for CVE-2026-64626 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-2026-64626

No threat campaign in the Threadlinqs corpus currently references CVE-2026-64626, 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, NVD, FIRST EPSS, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-07-21. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [github.com — vendor advisory](https://github.com/WWBN/AVideo/security/advisories/GHSA-fr98-mjq9-7jmj)

**Third-party advisory**

- [vulncheck.com — third party advisory](https://www.vulncheck.com/advisories/avideo-encoder-downloadurl-ssrf-via-unpinned-retry-fallback)

**Other references**

- [github.com — related](https://github.com/WWBN/AVideo/commit/0dbadbcaaa1b415c7db078a72dc4b26d9fac0485)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-64626
Full detection coverage and IOCs for threats exploiting CVE-2026-64626 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp