Is CVE-2026-125749 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-125749 being exploited in the wild.

How severe is CVE-2026-125749?

Medium severity, with a CVSS score of 4.2, published 10 November 2026.

Is there a fix for CVE-2026-125749?

Yes: fixed in after v0.8.5 (commit d84a912f3a06b141cc275bb07115a204e7f10128). Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-125749 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-125749?

Check whether you run Vas3k TaxHacker at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-125749: TaxHacker insecure direct object reference in settings

CVE-2026-125749 · Severity: medium · CVSS 4.2 · Published 2026-11-10

TaxHacker is a tax and financial data management application that allows users to organize transactions and financial categories. An authentication bypass flaw allows logged-in attackers to modify or delete other users' financial data by directly manipulating user IDs in requests, potentially leading to data loss or corruption of critical financial records.

Technologies: Vas3k TaxHacker. Vendors: Vas3k.

Quick answers

Is CVE-2026-125749 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-125749 being exploited in the wild.
How severe is CVE-2026-125749?: Medium severity, with a CVSS score of 4.2, published 10 November 2026.
Which products and versions are affected?: Vas3k TaxHacker through 0.8.5.
Is there a fix for CVE-2026-125749?: Yes: fixed in after v0.8.5 (commit d84a912f3a06b141cc275bb07115a204e7f10128). Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-125749 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-125749?: Check whether you run Vas3k TaxHacker at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Fixed in: after v0.8.5 (commit d84a912f3a06b141cc275bb07115a204e7f10128)

Technical details

An insecure direct object reference (IDOR) vulnerability in app/(app)/settings/actions.ts allows authenticated users to invoke server actions with arbitrary user IDs, bypassing ownership checks. Attackers can call deleteCategoryAction or editFieldAction with victim UUIDs to delete expense categories, clear transaction assignments, or modify LLM configuration prompts. The vulnerability requires authentication and direct API access to the affected server actions.

Affected products

vas3k TaxHacker through 0.8.5

Timeline

2026-11-10: disclosed
2026-11-10: patched: Security fix commit merged

References

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