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TI-2026-54299 Aliases CVE-2026-78061GHSA-hrrq-qh5p-23c2

vas3k TaxHacker Email Sync imap-client.ts buildImapConfig server-side request forgery

Priority MEDIUM 57CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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 determined in vas3k TaxHacker up to 0.8.2. Impacted is the function buildImapConfig of the file lib/email-sync/imap-client.ts of the component Email Sync. Executing a manipulation of the argument host/port can lead to server-side request forgery. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00338 27th 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
Poc
Automatable
No
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-2026-78061
  2. 2026-10-03 Alias added: GHSA-hrrq-qh5p-23c2

References

Patch 1

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-2026-54300 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