CVE-2026-33407— Wallos: SSRF via HTTP Proxy Environment Variable
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I. Basic Information for CVE-2026-33407
Vulnerability Information
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Vulnerability Title
Wallos: SSRF via HTTP Proxy Environment Variable
Source: NVD (National Vulnerability Database)
Vulnerability Description
Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.7.0, Wallos endpoints/logos/search.php accepts HTTP_PROXY and HTTPS_PROXY environment variables without validation, enabling SSRF via proxy hijacking. The server performs DNS resolution on user-supplied search terms, which can be controlled by attackers to trigger outbound requests to arbitrary domains. This issue has been patched in version 4.7.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Wallos 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wallos是Miguel Ribeiro个人开发者的一个开源个人订阅跟踪器。 Wallos 4.7.0之前版本存在安全漏洞，该漏洞源于endpoints/logos/search.php接受未经验证的HTTP_PROXY和HTTPS_PROXY环境变量，可能导致通过代理劫持进行SSRF攻击。
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-2026-33407
| # | POC Description | Source Link | Shenlong Link |
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- SSRF via HTTP Proxy Environment Variable · Advisory · ellite/Wallos · GitHubx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2026-33407
Same Patch Batch · ellite · 2026-03-24 · 5 CVEs total
| CVE-2026-33399 | 7.7 HIGH | Wallos: SSRF Bypass - Incomplete Fix for CVE-2026-30839/30840 |
| CVE-2026-33417 | 6.5 MEDIUM | Wallos: Password Reset Tokens Never Expire |
| CVE-2026-33400 | 5.4 MEDIUM | Wallos: Stored cross-site scripting (XSS) vulnerability in the payment method rename endpo |
| CVE-2026-33401 | Wallos: Incomplete fix for CVE-2026-30840 - SSRF in AI and notification endpoints bypass s |
IV. Related Vulnerabilities
Same product: Wallos
- CVE-2026-41689
Wallos: Shared local webhook allowlist lets low-privilege us - CVE-2026-41688
Incomplete fix for CVE-2026-33399: SSRF in Wallos - CVE-2026-41687
Wallos: SSRF CGNAT Bypass in subscription/payments Logo URL - CVE-2026-33417
Wallos: Password Reset Tokens Never Expire - CVE-2026-33401
Wallos: Incomplete fix for CVE-2026-30840 - SSRF in AI and n
Same vendor: ellite
- CVE-2026-41689
Wallos: Shared local webhook allowlist lets low-privilege us - CVE-2026-41688
Incomplete fix for CVE-2026-33399: SSRF in Wallos - CVE-2026-41687
Wallos: SSRF CGNAT Bypass in subscription/payments Logo URL - CVE-2026-33417
Wallos: Password Reset Tokens Never Expire - CVE-2026-33401
Wallos: Incomplete fix for CVE-2026-30840 - SSRF in AI and n
Same weakness: CWE-918
- CVE-2026-8193
Akaunting Invoice PDF Rendering dompdf.php server-side reque - CVE-2026-44313
LinkWarden: Server-Side Request Forgery (SSRF) in Link Creat - CVE-2026-42352
pygeoapi 0.23.x: Unauthenticated SSRF via OGC API - Processe - CVE-2026-42346
Postiz: TOCTOU DNS rebinding bypasses all SSRF URL validatio - CVE-2026-42339
New API: SSRF Filter Bypass via 0.0.0.0
V. Comments for CVE-2026-33407
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