CVE-2026-125749
TaxHacker through 0.8.5 IDOR via Settings Server Actions userId
Description
TaxHacker through 0.8.5 contains an insecure direct object reference vulnerability in app/(app)/settings/actions.ts that allows authenticated users to modify other users' data by supplying an arbitrary userId. Attackers can invoke Server Actions like deleteCategoryAction or editFieldAction with a victim's UUID to delete categories, clear transaction assignments, or alter LLM prompts.
INFO
Published Date :
Nov. 10, 2026, 3:22 p.m.
Last Modified :
Nov. 10, 2026, 3:22 p.m.
Remotely Exploit :
Yes !
Source :
VulnCheck
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | LOW | 83251b91-4cc7-4094-a5c7-464a1b83ea10 |
Solution
- Validate and authorize user IDs in all relevant actions.
- Enforce principle of least privilege for all users.
- Review and sanitize all user-supplied input.
- Apply available software updates.
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CVE-2026-125749 vulnerability anywhere in the article.