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Vulnerability · Published Aug 26, 2026 · Assigned by VulnCheck

CVE-2026-81031IDURAR ERP CRM through 4.1.1 Account Takeover via Unverified Identifier on Password Update

High 7.2

In plain English

A high-severity authorization bypass via user-controlled key in idurar-erp-crm from idurar. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.4%top 64.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

IDURAR ERP CRM changes the password of whichever account a request names rather than the account making the request. The update handler in backend/src/controllers/middlewaresControllers/createUserController/updatePassword.js resolves the authenticated user from the request that the token middleware populated, then issues its update against a filter built from the identifier in the URL path, and never compares the two. The route is mounted behind the administrator token check only, so any valid administrator session is sufficient, and the sole ownership-like guard in the handler rejects a single hardcoded demo address. A caller can therefore set an arbitrary password on any other administrator account and sign in as it. The read handler in the same controller directory accepts an identifier the same way, which supplies the identifiers needed to pick a target.

Affected products (as reported)

VendorProductVersions
idurar idurar-erp-crm 0 – through 4.1.1

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References