Improper input validation in Wwbn Avideo
CVE-2026-82648
WWBN AVideo contains a server-side request forgery filter bypass vulnerability in the isSSRFSafeURL function that fails to normalize NAT64 addresses written in hexadecimal form. Attackers can bypass SSRF protections by supplying hex-encoded NAT64 addresses like 64:ff9b::a9fe:a9fe to reach cloud metadata services and loopback interfaces.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/WWBN/AVideo/security/advisories/GHSA-88jm-rxg9-3v5r (vendor-advisory)
- www.vulncheck.com/advisories/wwbn-avideo-ssrf-filter-bypass-via-nat64-hex-addre… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-82648?
- CVE-2026-82648 is a high-severity vulnerability in Wwbn Avideo, classified under Improper Input Validation. CVSS score: 7.1/10. Published 2026-08-30.
- How severe is CVE-2026-82648?
- High severity. CVSS v3 base score is 7.1 out of 10.