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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Vas3k
  • Taxhacker

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References
Link Providers
https://github.com/vas3k/TaxHacker/ cve-icon cve-icon
https://github.com/vas3k/TaxHacker/issues/186 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-94039 cve-icon cve-icon
https://vuldb.com/submit/947878 cve-icon cve-icon
https://vuldb.com/vuln/407968 cve-icon cve-icon
https://vuldb.com/vuln/407968/cti cve-icon cve-icon
History

Mon, 21 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sun, 20 Sep 2026 17:00:00 +0000

Type Values Removed Values Added
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.
Title vas3k TaxHacker Invoice PDF Renderer actions.ts generateInvoicePDF server-side request forgery
First Time appeared Vas3k
Vas3k taxhacker
Weaknesses CWE-918
CPEs cpe:2.3:a:vas3k:taxhacker:*:*:*:*:*:*:*:*
Vendors & Products Vas3k
Vas3k taxhacker
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-09-20T16:45:13.120Z

Updated: 2026-09-21T14:08:14.039Z

Reserved: 2026-09-19T21:04:34.756Z

Link: CVE-2026-94039

cve-icon Vulnrichment

Updated: 2026-09-21T14:08:03.585Z

cve-icon NVD

Status : Deferred

Published: 2026-09-20T17:16:52.557

Modified: 2026-09-21T15:17:37.837

Link: CVE-2026-94039

cve-icon Redhat

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