CVE-2026-33399— Wallos: SSRF Bypass - Incomplete Fix for CVE-2026-30839/30840
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I. Basic Information for CVE-2026-33399
Vulnerability Information
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Vulnerability Title
Wallos: SSRF Bypass - Incomplete Fix for CVE-2026-30839/30840
Source: NVD (National Vulnerability Database)
Vulnerability Description
Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.7.0, the SSRF fix applied in version 4.6.2 for CVE-2026-30839 and CVE-2026-30840 is incomplete. The validate_webhook_url_for_ssrf() protection was added to the test* notification endpoints but not to the corresponding save* endpoints. An authenticated user can save an internal/private IP address as a notification URL, and when the cron job sendnotifications.php executes, the request is sent to the internal IP without any SSRF validation. This issue has been patched in version 4.7.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Wallos 代码问题漏洞
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之前版本存在代码问题漏洞，该漏洞源于SSRF修复不完整，save*端点未应用validate_webhook_url_for_ssrf()保护，可能导致经过身份验证的用户将内部或私有IP地址保存为通知URL，并在cron作业执行时向该内部IP发送请求。
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-2026-33399
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · ellite · 2026-03-24 · 5 CVEs total
| 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 | |
| CVE-2026-33407 | Wallos: SSRF via HTTP Proxy Environment Variable |
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
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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-2026-33399
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