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TI-2026-63276 Aliases CVE-2026-94039GHSA-gc9f-gc68-qrg3

vas3k TaxHacker Invoice PDF Renderer actions.ts generateInvoicePDF server-side request forgery

Priority HIGH 70CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00495 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
vas3kTaxHacker0.8.0; 0.8.1; 0.8.2; 0.8.3; 0.8.4; 0.8.5—No fix listedCNA
  • TaxHacker Vendorvas3k Affected 0.8.0; 0.8.1; 0.8.2; 0.8.3; 0.8.4; 0.8.5 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:vas3k:taxhacker:*:*:*:*:*:*:*:*——vas3k
  • cpe:2.3:a:vas3k:taxhacker:*:*:*:*:*:*:*:* Versions — — ·vas3k

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-94039
  2. 2026-10-03 Alias added: GHSA-gc9f-gc68-qrg3

References

Exploit 1

Other 1

  • TI-2026-63277 vas3k TaxHacker actions.ts testLLMProviderAction server-side request forgery CVSS 4.0MEDIUM 6.9
  • TI-2026-54299 vas3k TaxHacker Email Sync imap-client.ts buildImapConfig server-side request forgery CVSS 4.0MEDIUM 5.3
  • TI-2026-54300 vas3k TaxHacker JWT Secret config.ts envSchema.parse hard-coded credentials CVSS 4.0MEDIUM 6.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences