CVE-2026-94039 Details
Description
A vulnerability was detected in vas3k TaxHacker up to 0.8.5. Affected is the function generateInvoicePDF of the file /apps/invoices/actions.ts of the component Invoice PDF Renderer. Performing a manipulation of the argument businessLogo results in server-side request forgery. The attack is possible to be carried out remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
A server-side request forgery (SSRF) vulnerability has been identified in vas3k TaxHacker versions through 0.8.5. The issue arises in the Invoice PDF Renderer component, specifically within the generateInvoicePDF function in the actions.ts file. The vulnerability allows an unauthenticated attacker to manipulate the businessLogo argument, leading to unauthorized server-side requests. This exploitation can be performed remotely and is particularly concerning in multi-tenant environments, where it could be used to access other users' data or internal services.
Users can update to the latest version of vas3k TaxHacker, which includes a patch for this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 20, 2026CISA-ADP
Assessed Sep 21, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/vas3k/TaxHacker/ | [email protected] | ProductSource CodeVendor |
| https://github.com/vas3k/TaxHacker/issues/186 | [email protected] | ExploitIssue TrackingTechnical DescriptionVendor |
| https://vuldb.com/cve/CVE-2026-94039 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/947878 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/407968 | [email protected] | BundlePermission Required |
| https://vuldb.com/vuln/407968/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-918 | Server-Side Request Forgery (SSRF) | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| vas3k TaxHacker | <= 0.8.5 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 21, 2026 | CVE Modified | CISA-ADP |
| Sep 20, 2026 | New CVE Received | [email protected] |