CVE-2026-77881 HIGH · CVSS 8.8 · Control Web Panel — Control Web Panel (CWP) user API ·

CVE-2026-77881: /v1/user_panel_dashboard/ (later /valid_token/) client_id SQLi

Blind SQL injection on a tokenless user API route enabling a full database read as MySQL root. Disclosure rather than a second shell path.

Identifier
CVE-2026-77881
Vendor / Product
Control Web Panel · Control Web Panel (CWP) user API
Severity / CVSS
HIGH · CVSS 8.8
Vector / CWE
CWE-89 (SQL Injection)
Local loopback; tokenless blind SQL read as MySQL root
Affected
CWP before 1.29
Patched Version
CWP 1.29 (cwp_clean_username gate)
Priority
P1 — Full DB Disclosure Path

Executive Summary & Technical Impact

Blind SQL injection on a tokenless user API route enabling a full database read as MySQL root. Disclosure rather than a second shell path.

Tracked under CVE-2026-77881 (CWE-89 (SQL Injection)), this vulnerability affects CWP before 1.29 and carries a severity score of 8.8 (HIGH). Engineering and security operations teams running Control Web Panel (CWP) user API should prioritize upgrading to CWP 1.29 (cwp_clean_username gate).

Remediation & Patch Guidance

  1. Upgrade to CWP 1.29 or later.
  2. Rotate MySQL and panel credentials if compromise is suspected.

Frequently Asked Questions (CVE-2026-77881)

What versions are affected by CVE-2026-77881?

CVE-2026-77881 affects CWP before 1.29 in Control Web Panel (CWP) user API (/v1/user_panel_dashboard/ (later /valid_token/) client_id SQLi).

How do I patch or remediate CVE-2026-77881?

Upgrade affected deployments to CWP 1.29 (cwp_clean_username gate) and verify the remediation steps listed above.

What is the CVSS score of CVE-2026-77881?

CVE-2026-77881 is rated HIGH with a CVSS score of 8.8 (vector: Local loopback; tokenless blind SQL read as MySQL root).

Full TechPulse Investigation

CWP2Shell: Ten New Control Web Panel Bugs Turn a Login Page Into Root

VulnCheck's November 3 disclosure shows how a missing exit() after a 302 in Control Web Panel's user panel opens an unauthenticated path to root. Upgrade to 1.29 or later.

Read full engineering post-mortem (6 min read) →

Official Vendor & NVD Advisory Links

  1. VulnCheck — CWP2Shell