CVE-2026-94039 vas3k TaxHacker - Server-Side Request Forgery

vas3k TaxHacker <= 0.8.5 contains a server-side request forgery caused by manipulation of the "businessLogo" argument in generateInvoicePDF function of Invoice PDF Renderer, letting remote attackers make arbitrary requests, exploit requires no special privileges.

CVSS base score 7.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.50% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Server-Side Request Forgery
Impact
Server Side Request Forgery
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Published
20 September 2026
Updated
15 October 2026
Weakness
CWE-918

Vendor fix

Update to the latest version when available.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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