CVE-2026-94040: Server-Side Request Forgery in vas3k TaxHacker
CVE-2026-94040 is a server-side request forgery (SSRF) vulnerability in vas3k TaxHacker versions 0.8.0 through 0.8.5. The flaw exists in the testLLMProviderAction function within the app/(app)/apps/settings/actions.ts file, where manipulation of the provider, apiKey, model, or baseUrl arguments can lead to SSRF. The vulnerability can be exploited remotely. Although the issue was reported early, the project has not yet responded. A patch is available, and the service is cloud-hosted, so vendor remediation is expected.
AI Analysis
Technical Summary
This vulnerability in vas3k TaxHacker affects versions 0.8.0 to 0.8.5 and involves the testLLMProviderAction function. By manipulating certain input parameters (provider, apiKey, model, baseUrl), an attacker can cause the server to make unauthorized requests to arbitrary URLs (SSRF). The vulnerability is remotely exploitable and has a CVSS 4.0 score of 6.9 (medium severity). The project was notified early but has not responded. The product is a cloud service, and a patch is available.
Potential Impact
Successful exploitation allows an attacker to perform server-side request forgery, potentially enabling unauthorized internal network access or interaction with unintended resources. The CVSS score of 6.9 indicates a medium severity impact. There is no evidence of active exploitation in the wild at this time.
Mitigation Recommendations
A patch is available for this vulnerability. Since TaxHacker is a cloud-hosted service, the vendor is responsible for applying the fix. Users should verify with the vendor that the service has been updated to address this issue. No additional mitigation actions are indicated by the vendor advisory.
CVE-2026-94040: Server-Side Request Forgery in vas3k TaxHacker
Description
CVE-2026-94040 is a server-side request forgery (SSRF) vulnerability in vas3k TaxHacker versions 0.8.0 through 0.8.5. The flaw exists in the testLLMProviderAction function within the app/(app)/apps/settings/actions.ts file, where manipulation of the provider, apiKey, model, or baseUrl arguments can lead to SSRF. The vulnerability can be exploited remotely. Although the issue was reported early, the project has not yet responded. A patch is available, and the service is cloud-hosted, so vendor remediation is expected.
CVSS v4.0
Score 6.9medium
Affected software
vas3k
TaxHacker
pkg:github/vas3k/TaxHackercpe:2.3:a:vas3k:taxhacker:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in vas3k TaxHacker affects versions 0.8.0 to 0.8.5 and involves the testLLMProviderAction function. By manipulating certain input parameters (provider, apiKey, model, baseUrl), an attacker can cause the server to make unauthorized requests to arbitrary URLs (SSRF). The vulnerability is remotely exploitable and has a CVSS 4.0 score of 6.9 (medium severity). The project was notified early but has not responded. The product is a cloud service, and a patch is available.
Potential Impact
Successful exploitation allows an attacker to perform server-side request forgery, potentially enabling unauthorized internal network access or interaction with unintended resources. The CVSS score of 6.9 indicates a medium severity impact. There is no evidence of active exploitation in the wild at this time.
Mitigation Recommendations
A patch is available for this vulnerability. Since TaxHacker is a cloud-hosted service, the vendor is responsible for applying the fix. Users should verify with the vendor that the service has been updated to address this issue. No additional mitigation actions are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-19T21:04:39.135Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Is Cloud Service
- true
Threat ID: 6ab0151255bf5e2cf54c7132
Added to database: 09/20/2026, 17:17:06 UTC
Last enriched: 09/20/2026, 17:31:30 UTC
Last updated: 09/20/2026, 18:16:36 UTC
Views: 7
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.