HighVulnerability

CVE-2026-33401: Wallos server-side request forgery in Ollama host and notification endpoints

Source: NVD(opens in a new tab)
Identifier: CVE-2026-33401
Published: March 24, 2026
Record updated: October 9, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.3%

Summary

Wallos, a self-hostable personal subscription tracker, prior to version 4.7.0, left three endpoints unprotected by the SSRF fix introduced in commit e8a513591 (CVE-2026-30840): the AI Ollama host parameter, the AI recommendations endpoint, and the notification cron job. An authenticated user can supply a crafted URL to reach internal network services, cloud metadata endpoints (AWS IMDSv1, GCP, Azure IMDS), or localhost-bound services.

Mitigation

Fixed in version 4.7.0.

Details

Scores and exploitation

EPSS: 0.3%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 8, 2026.
Disclosure date: March 24, 2026

Weaknesses and techniques

Weakness (CWE): CWE-918
Attack pattern (CAPEC): CAPEC-664

Classification

Attack type: Other
Attack sophistication: Trivial
AI component targeted: API
Impact: Confidentiality
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-33401

First tracked: March 24, 2026 at 08:07 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 80% (self-assessed)

Summary

Mitigation

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