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CVE-2026-88003— InvoicePlane: Failure to Revoke Administrative Privileges After Role Downgrade

Quick assessment

Affected
InvoicePlane InvoicePlane
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.

InvoicePlane 是一款自托管的开源应用程序，用于管理发票、客户和支付。在 1.7.2 版本之前，InvoicePlane 存在一个权限提升漏洞：当用户角色被降级时，系统未能正确撤销其管理员权限。这是因为 Admin_Controller 依赖于现有会话中存储的 user_type 快照，而不是重新验证 ip_users 表中的 user_type 字段。当一个管理员对另一个账户进行角色降级时，目标用户的活跃会话仍会授权其执行管理员请求。降级后的用户可以利用 Users::form() 方法将 user_t

CVSS 7.5 · High EPSS 0.30% · P20
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I. Basic Information for CVE-2026-88003

Vulnerability Information
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Vulnerability Title
InvoicePlane: Failure to Revoke Administrative Privileges After Role Downgrade
Source: CVE Program / CVE List V5
Vulnerability Description
InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. Prior to 1.7.2, InvoicePlane fails to revoke administrative privileges after a role downgrade because Admin_Controller trusts the user_type snapshot stored in an existing session instead of revalidating ip_users.user_type. When one administrator downgrades another account, the target's active session continues to authorize administrative requests. The downgraded user can use Users::form() to set user_type back to 1, restoring the database role and making the privilege escalation persistent. This vulnerability is fixed in 1.7.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
InvoicePlane InvoicePlane < 1.7.2 -

II. Public POCs for CVE-2026-88003

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III. Intelligence Information for CVE-2026-88003

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Other References for CVE-2026-88003 (4)

Same Patch Batch · InvoicePlane · 2026-09-25 · 13 CVEs total

CVE-2026-39353 9.1 CRITICAL InvoicePlane: Remote Code Execution via Writable Templates Directory
CVE-2026-49850 7.5 HIGH InvoicePlane: Missing CSRF Protection on State-Changing delete Actions
CVE-2026-50547 7.5 HIGH InvoicePlane permits local file inclusion through the e-invoice XML configuration identifi
CVE-2026-33639 7.2 HIGH InvoicePlane permits DDL injection through tax_rate_decimal_places
CVE-2026-85291 6.5 MEDIUM InvoicePlane IDOR: Horizontal Privilege Escalation via Password Change Without Authorizati
CVE-2026-85274 6.5 MEDIUM InvoicePlane: Recurring Invoice State Change via GET Request Without CSRF Protection
CVE-2026-85289 6.5 MEDIUM InvoicePlane: Missing CSRF Token Validation on Multiple Delete Endpoints
CVE-2026-54790 6.0 MEDIUM InvoicePlane: Second-order SQL injection through the unvalidated custom_field_table field
CVE-2026-85290 5.3 MEDIUM InvoicePlane: Log Injection via Unsanitized User Input in Cron Key Error Logging
CVE-2026-39372 4.9 MEDIUM InvoicePlane: Sensitive Information Disclosure via Unstripped EXIF Metadata in Attachments
CVE-2026-85292 4.8 MEDIUM InvoicePlane: Loose Type Comparison in Core Authentication Check (Defense-in-Depth)
CVE-2026-85293 4.8 MEDIUM InvoicePlane: Stored Cross-Site Scripting (XSS) via Client Email in Invoice and Quote Mail

IV. Related Vulnerabilities

Same product: InvoicePlane
Same vendor: InvoicePlane
Same weakness: CWE-863

V. Comments for CVE-2026-88003

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