Wallos: SSRF via webhook test endpoint
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.
Summary
Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.6.2, testwebhooknotifications.php does not validate the target URL against private/reserved IP ranges, enabling full-read SSRF. The server response is returned to the caller. This issue has been patched in version 4.6.2.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Wallos (ellite) Fixed in 4.6.2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-30839
References
More ellite Wallos vulnerabilities
- TI-2026-25804 Wallos: SSRF via HTTP Proxy Environment Variable CVSS 4.0HIGH 8.3
- TI-2026-23669 Wallos: Server-Side Request Forgery (SSRF) in Notification Testers CVSS 3.0HIGH 8.8
- TI-2024-19429 Wallos before 1.15.3 is vulnerable to SQL Injection via the category and payment parameters to /subscriptions/get.php. CVSS 3.1HIGH 8.1
- TI-2026-25796 Wallos: SSRF Bypass - Incomplete Fix for CVE-2026-30839/30840 CVSS 3.1HIGH 7.7
- TI-2026-21886 Wallos: SSRF via Redirect Bypass in Logo/Icon URL Fetch CVSS 3.1HIGH 7.7
- TI-2026-25814 Wallos: Password Reset Tokens Never Expire CVSS 3.1HIGH 7.1
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences