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CVE-2026-33401VulnerabilityPublished

CVE-2026-33401: ellite Wallos · Server-Side Request Forgery (SSRF)

Affects ellite WallosSource CVE Database V5

0

Mentioned vulnerabilities

Not known to be exploited · CVSS 7.1 High : upgrade to 4.7.0 soon.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 4.0 base score
7.1High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 21% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 4.7.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 24 Mar 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Upgrade Wallos and ellite/Wallos to 4.7.0.

Affected software

ProductAffectedFixed in
elliteWallosAffected
  • <4.7.0
Fixed in
  • 4.7.0
GitHubellite/Wallospkg:github/ellite/WallosOther threatsAffected
  • <4.7.0
Fixed in
  • 4.7.0

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

The primary mitigation is to upgrade Wallos installations to version 4.7.0 or later, which patches the SSRF vulnerabilities across all affected endpoints. Organizations should audit and restrict access to internal network services and cloud metadata endpoints from application servers, implementing network segmentation and firewall rules to limit outbound requests. Additionally, review and harden authentication mechanisms to prevent unauthorized access to the application. Implement strict input validation and URL allowlisting on any parameters that trigger server-side requests. Monitoring and logging outbound requests from the application can help detect anomalous SSRF attempts. For cloud environments, enforce the use of IMDSv2 or equivalent metadata service protections to reduce risk from SSRF attacks. Regularly review and update dependencies and apply security patches promptly.

Description

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.7.0, the patch introduced in commit e8a513591 (CVE-2026-30840) added SSRF protection to notification test endpoints but left three additional attack surfaces unprotected: the AI Ollama host parameter, the AI recommendations endpoint, and the notification cron job. An authenticated user can reach internal network services, cloud metadata endpoints (AWS IMDSv1, GCP, Azure IMDS), or localhost-bound services by supplying a crafted URL to any of these endpoints. This issue has been patched in version 4.7.0.

References

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