CVE-2026-91967— AVideo through 29.0 Blind SSRF via getHeaderContentTypeFromURL
Quick assessment
Affected
WWBN AVideo
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
AVideo 29.0 及以下版本存在一个盲型的服务器端请求伪造（blind SSRF）漏洞，位于 函数中。该函数执行 调用时，仅受到格式校验的保护，缺乏更严格的源地址限制。 拥有 权限的已认证用户可以存储攻击者选定的 URL 作为视频链接；随后，每当视频观看页面渲染时，都会触发该易受攻击函数的执行，从而利用内容类型预言机（content-type oracle）和基于时序的检测机制，对内部主机进行探测。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1071 · Application Layer Protocol
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I. Basic Information for CVE-2026-91967
Vulnerability Information
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Vulnerability Title
AVideo through 29.0 Blind SSRF via getHeaderContentTypeFromURL
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-91967
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-91967 (2)
Same Patch Batch · WWBN · 2026-09-15 · 3 CVEs total
| CVE-2026-91965 | 7.5 HIGH | WWBN AVideo through 29.0 Broken Access Control via Live Endpoints |
| CVE-2026-91966 | 5.8 MEDIUM | AVideo through 29.0 Unauthenticated SSRF via Host Header |
IV. Related Vulnerabilities
Same product: AVideo
-
CVE-2026-91966
AVideo through 29.0 Unauthenticated SSRF via Host Header -
CVE-2026-91965
WWBN AVideo through 29.0 Broken Access Control via Live Endp -
CVE-2026-90552
WWBN AVideo Missing Authorization via Playlists_schedules li -
CVE-2026-90550
WWBN AVideo Missing Authorization via mediaSession.json.php -
CVE-2026-90551
WWBN AVideo Missing Authorization via video_from_program API
Same vendor: WWBN
-
CVE-2026-91966
AVideo through 29.0 Unauthenticated SSRF via Host Header -
CVE-2026-91965
WWBN AVideo through 29.0 Broken Access Control via Live Endp -
CVE-2026-90552
WWBN AVideo Missing Authorization via Playlists_schedules li -
CVE-2026-90551
WWBN AVideo Missing Authorization via video_from_program API -
CVE-2026-90550
WWBN AVideo Missing Authorization via mediaSession.json.php
Same weakness: CWE-918
-
CVE-2026-58201
Lokka: Azure Resource Manager URL path validation issue -
CVE-2026-58196
ToolHive: SSRF in remote MCP server authentication discovery -
CVE-2026-54450
ToolHive: SSRF guard misses IPv6 NAT64 ranges (64:ff9b::/96, -
CVE-2026-77866
SSRF protection bypass in safeurl via IPv6 addresses and unr -
CVE-2026-55591
Signal K Server: Server-Side Request Forgery via Remote Conn
V. Comments for CVE-2026-91967
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