CVE-2026-41062— WWBN/AVideo has an incomplete fix for a directory traversal bypass via query string in ReceiveImage downloadURL parameters
Possible ATT&CK Techniques 2AI
T1059 · Command and Scripting Interpreter T1083 · File and Directory DiscoveryGet alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-41062
Vulnerability Information
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Vulnerability Title
WWBN/AVideo has an incomplete fix for a directory traversal bypass via query string in ReceiveImage downloadURL parameters
Source: NVD (National Vulnerability Database)
Vulnerability Description
WWBN AVideo is an open source video platform. In versions 29.0 and below, the directory traversal fix introduced in commit 2375eb5e0 for `objects/aVideoEncoderReceiveImage.json.php` only checks the URL path component (via `parse_url($url, PHP_URL_PATH)`) for `..` sequences. However, the downstream function `try_get_contents_from_local()` in `objects/functionsFile.php` uses `explode('/videos/', $url)` on the **full URL string** including the query string. An attacker can place the `/videos/../../` traversal payload in the query string to bypass the security check and read arbitrary files from the server filesystem. Commit bd11c16ec894698e54e2cdae25026c61ad1ed441 contains an updated fix.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
WWBN AVideo 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WWBN AVideo是WWBN团队的一个由PHP编写的视频平台建站系统。 WWBN AVideo 29.0及之前版本存在路径遍历漏洞，该漏洞源于objects/aVideoEncoderReceiveImage.json.php中的目录遍历修复仅检查URL路径组件，可能导致攻击者将/videos/../../遍历载荷置于查询字符串中，绕过安全检查并读取服务器任意文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-41062
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Patches & Fixes for CVE-2026-41062 (2)
Vendor Advisories for CVE-2026-41062 (2)
Same Patch Batch · WWBN · 2026-04-21 · 19 CVEs total
| CVE-2026-40911 | 10.0 CRITICAL | WWBN AVideo YPTSocket WebSocket Broadcast Relay Leads to Unauthenticated Cross-User JavaSc |
| CVE-2026-41064 | 9.3 CRITICAL | AVideo has an incomplete fix for CVE-2026-33502 (Command Injection) |
| CVE-2026-40909 | 8.7 HIGH | WWBN AVideo has a Path Traversal in Locale Save Endpoint that Enables Arbitrary PHP File W |
| CVE-2026-41055 | 8.6 HIGH | AVideo has an incomplete fix for CVE-2026-33039 (SSRF) |
| CVE-2026-40925 | 8.3 HIGH | WWBN AVideo has CSRF in configurationUpdate.json.php Enables Full Site Configuration Takeo |
| CVE-2026-41056 | 8.1 HIGH | AVideos has CORS Origin Reflection with Credentials on Sensitive API Endpoints that Enable |
| CVE-2026-41058 | 8.1 HIGH | AVideo has an incomplete fix for CVE-2026-33293 (Path Traversal) in AVideo |
| CVE-2026-41060 | 7.7 HIGH | AVideo's SSRF via same-domain hostname with alternate port bypasses isSSRFSafeURL |
| CVE-2026-40926 | 7.1 HIGH | WWBN AVideo Vulnerable to CSRF in Admin JSON Endpoints (Category CRUD, Plugin Update Scrip |
| CVE-2026-41057 | 7.1 HIGH | AVideo has CORS Origin Reflection Bypass via plugin/API/router.php and allowOrigin(true) t |
| CVE-2026-40907 | 6.5 MEDIUM | WWBN AVideo has IDOR in Live Restreams list.json.php that Exposes Other Users' Stream Keys |
| CVE-2026-40928 | 5.4 MEDIUM | AVideo: Missing CSRF Protection on State-Changing JSON Endpoints Enables Forced Comment Cr |
| CVE-2026-40929 | 5.4 MEDIUM | WWBN AVideo's missing CSRF protection in objects/commentDelete.json.php enables mass comme |
| CVE-2026-41063 | 5.4 MEDIUM | WWBN AVideo has incomplete fix for CVE-2026-33500 (XSS) |
| CVE-2026-41061 | 5.4 MEDIUM | WWBN AVideo Vulnerable to stored XSS via Unanchored Duration Regex in Video Encoder Receiv |
| CVE-2026-40908 | 5.3 MEDIUM | WWBN AVideo has an Unauthenticated Information Disclosure via git.json.php that Exposes De |
| CVE-2026-40935 | 5.3 MEDIUM | WWBN/AVideo has CAPTCHA Bypass via Attacker-Controlled Length Parameter and Missing Token |
| CVE-2026-41304 | WWBN AVideo vulnerable to RCE caused by clonesite plugin |
IV. Related Vulnerabilities
Same product: AVideo
- CVE-2026-43885
WWBN AVideo: Exposure of Sensitive Information to an Unautho - CVE-2026-43884
WWBN AVideo: SSRF Protection Bypass via HTTP Redirect and DN - CVE-2026-43883
WWBN AVideo: IDOR in PayPalYPT agreementCancel.json.php Allo - CVE-2026-43882
WWBN AVideo: Unauthenticated CRLF/ICS Injection in Scheduler - CVE-2026-43881
WWBN AVideo: Unauthenticated User Enumeration in `objects/us
Same vendor: WWBN
- CVE-2026-43885
WWBN AVideo: Exposure of Sensitive Information to an Unautho - CVE-2026-43884
WWBN AVideo: SSRF Protection Bypass via HTTP Redirect and DN - CVE-2026-43883
WWBN AVideo: IDOR in PayPalYPT agreementCancel.json.php Allo - CVE-2026-43882
WWBN AVideo: Unauthenticated CRLF/ICS Injection in Scheduler - CVE-2026-43881
WWBN AVideo: Unauthenticated User Enumeration in `objects/us
V. Comments for CVE-2026-41062
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