CVE-2026-76633— WeGIA < 3.9.2 Authorization Bypass Password Change via alterarSenha
Quick assessment
Affected
LabRedesCefetRJ WeGIA
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 WeGIA 3.9.2 之前的版本中，密码更改流程存在一个权限绕过漏洞，允许任何已认证用户无需提供现有凭据即可更改其账户密码。该漏洞是通过利用 中对 方法无条件排除在权限检查之外而实现的。攻击者可以通过操纵 参数指向 ，从而通过 而非 进行路由，以绕过当前密码验证，并将临时会话访问权限转化为永久的账户接管。
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| LabRedesCefetRJ | WeGIA | < 3.9.2 |
affected |
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I. Basic Information for CVE-2026-76633
Vulnerability Information
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Vulnerability Title
WeGIA < 3.9.2 Authorization Bypass Password Change via alterarSenha
Source: CVE Program / CVE List V5
Vulnerability Description
WeGIA before 3.9.2 contains an authorization bypass vulnerability in the password change flow that allows any authenticated user to change their account password without providing existing credentials by exploiting the unconditional exclusion of the alterarSenha method from permission checks in controle/control.php. Attackers can manipulate the redir parameter to point to alterar_senha.php, routing through verificarSenhaConfig() instead of verificarSenha() to bypass current password verification and convert temporary session access into permanent account takeover.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| LabRedesCefetRJ | WeGIA | 0 ~ 3.9.2 | - |
|
II. Public POCs for CVE-2026-76633
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-76633 (2)
IV. Related Vulnerabilities
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Same vendor: LabRedesCefetRJ
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Same weakness: CWE-862
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V. Comments for CVE-2026-76633
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