CVE-2026-91967

AVideo through 29.0 Blind SSRF via getHeaderContentTypeFromURL

MEDIUM
5
CVSS Score
Published: September 15, 2026 at 03:18 PM UTC
Updated: September 17, 2026 at 04:18 PM UTC
1 product affected across 1 vendorAVideo

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Severity
MEDIUM5
Exploit prediction
EPSS 0.3%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 29.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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