SSRF in Vas3k Taxhacker
CVE-2026-94040
A flaw has been found in vas3k TaxHacker up to 0.8.5. Affected by this vulnerability is the function testLLMProviderAction of the file app/(app)/apps/settings/actions.ts. Executing a manipulation of the argument provider/apiKey/model/baseUrl can lead to server-side request forgery. The attack may be performed from remote. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (45.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Vas3k Taxhacker — versions 0.8.0, 0.8.1, 0.8.2
Weakness classification (CWE)
References
- github.com/vas3k/TaxHacker/ (product)
- github.com/vas3k/TaxHacker/issues/187 (issue-tracking, exploit)
- vuldb.com/cve/CVE-2026-94040 (third-party-advisory)
- vuldb.com/submit/947879 (third-party-advisory)
- vuldb.com/vuln/407969 (technical-description, vdb-entry)
- vuldb.com/vuln/407969/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-94040?
- CVE-2026-94040 is a medium-severity vulnerability in Vas3k Taxhacker, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2026-09-20.
- How severe is CVE-2026-94040?
- Medium severity. CVSS v3 base score is 5.3 out of 10.