CVE-2026-94040

vas3k TaxHacker actions.ts testLLMProviderAction server-side request forgery

MEDIUM
5.3
CVSS Score
Published: September 20, 2026 at 05:00 PM UTC
Updated: September 24, 2026 at 01:17 PM UTC
1 product affected across 1 vendorTaxHacker

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/407969
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/407969/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-94040
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/947879
ExploitIssue Tracking
Source: cverecord
https://github.com/vas3k/TaxHacker/issues/187
Product
Source: cverecord
https://github.com/vas3k/TaxHacker/

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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