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TI-2026-54300 Aliases CVE-2026-78062GHSA-c2p7-hcxm-xqhj

vas3k TaxHacker JWT Secret config.ts envSchema.parse hard-coded credentials

Priority LOW 37CWE-259Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-259.

Summary

A vulnerability was identified in vas3k TaxHacker up to 0.8.2. The affected element is the function envSchema.parse of the file lib/config.ts of the component JWT Secret Handler. The manipulation of the argument BETTER_AUTH_SECRET leads to hard-coded credentials. The attack can be initiated remotely. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00495 42nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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—No fix listedCNA
  • TaxHacker Vendorvas3k Affected 0.8.0; 0.8.1; 0.8.2 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-2026-78062
  2. 2026-10-03 Alias added: GHSA-c2p7-hcxm-xqhj

References

Other 2

  • TI-2026-63277 vas3k TaxHacker actions.ts testLLMProviderAction server-side request forgery CVSS 4.0MEDIUM 6.9
  • TI-2026-63276 vas3k TaxHacker Invoice PDF Renderer actions.ts generateInvoicePDF 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

Sources

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