Vulnerability · Published Sep 15, 2026 · Assigned by VulnCheck

CVE-2026-91967AVideo through 29.0 Blind SSRF via getHeaderContentTypeFromURL

Medium 5.0

In plain English

A medium-severity server-side request forgery in AVideo from WWBN. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).

Severity (CVSS 3.1)5.0Medium

Exploit odds (30 days)0.3%top 72.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

AVideo through 29.0 contains a blind server-side request forgery vulnerability in the getHeaderContentTypeFromURL function that issues get_headers() calls guarded only by format validation. Authenticated users with canUpload permission can store attacker-chosen URLs as video links, triggering vulnerable function execution on every video watch page render to probe internal hosts using content-type oracles and timing-based detection.

Affected products (as reported)

Vendor	Product	Versions
WWBN	AVideo	0 – through 29.0

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

References

GitHub Security Advisory (GHSA-vjgr-5x63-cq96) vendor-advisory
VulnCheck Advisory: AVideo through 29.0 Blind SSRF via getHeaderContentTypeFromURL third-party-advisory