NIST deprecates RSA-2048 from 2030. Find every one of them before attackers do.
🛡️
Not in CISA KEV
CRITICAL severity

CVE-2026-73696

CRITICAL

CVE-2026-73696 is a critical-severity (CVSS 9.8) CWE-698 vulnerability. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Control Web Panel (CWP) before webpanel_version 1.12 contains an execution after redirect vulnerability in the user panel authentication flow, where CWPUserIndex's unauthenticatedFlow()…

Published
Updated
Affected
—
Patched
—
Exploits
None indexed
Exploitation data as of Nov 2, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
  • A successful exploit gives an attacker total control of the affected component, not partial access.
  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2026-73696.

Description

Control Web Panel (CWP) before webpanel_version 1.12 contains an execution after redirect vulnerability in the user panel authentication flow, where CWPUserIndex's unauthenticatedFlow() calls toLoginWithIntendedUri() which emits a redirect header without exit(), allowing PHP execution to continue and the module dispatcher include to run without authentication. Attackers with nothing more than a valid hosting username can bypass authentication to reach user-panel module code paths, enabling a pre-authentication chain to root access.

Detection & mitigation playbook

Vulnerability

  1. Detect

    Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).

  2. Remediation status

    The records we use list no fixed release for CVE-2026-73696. Check the upstream advisory for a patched version, and apply the exposure-reduction steps below in the meantime.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

Control Web Panel (CWP) before webpanel_version 1.12 contains an execution after redirect vulnerability in the user panel authentication flow, where CWPUserIndex's unauthenticatedFlow() calls toLoginWithIntendedUri() which emits a redirect header without exit(), allowing PHP execution to continue and the module dispatcher include to run without authentication. Attackers with nothing more than a valid hosting username can bypass authentication to reach user-panel module code paths, enabling a pre-authentication chain to root access.
O3 Security · Impact-Aware SCA

Is CVE-2026-73696 in your dependencies?

Find it across your dependency tree, including transitive dependencies.

Scan my dependencies How O3 SCA works
CVE-2026-73696: Critical 9.8 severity