What’s Vulnerable › Vulnerabilities

CVE-2026-94039: vas3k TaxHacker Invoice PDF Renderer actions.ts generateInvoicePDF server-side request forgery

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-20 · updated 2026-09-21
• Weakness: CWE-918

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.

Affected products

• vas3k TaxHacker: 0.8.0, 0.8.1, 0.8.2, 0.8.3, 0.8.4, 0.8.5

References

• https://github.com/vas3k/TaxHacker/
• https://github.com/vas3k/TaxHacker/issues/186
• https://vuldb.com/cve/CVE-2026-94039
• https://vuldb.com/submit/947878
• https://vuldb.com/vuln/407968
• https://vuldb.com/vuln/407968/cti

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