What is CVE-2026-41473?

CVE-2026-41473 is a critical-severity vulnerability in Cyberpanel, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2026-04-24.

How severe is CVE-2026-41473?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2026-41473 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Cyberpanel

CVE-2026-41473

CyberPanel versions prior to 2.4.5 contain an authentication bypass vulnerability in the AI Scanner worker API endpoints that allows unauthenticated remote attackers to write arbitrary data to the database by sending requests to the /api/ai-scanner/status-webhook and /api/ai-scanner/callback endpoints. Attackers can exploit the lack of authentication checks to cause denial of service through storage exhaustion, corrupt scan history records, and pollute database fields with malicious data.

Vulnerability class: Broken Authentication

Published 2026-04-24 · last modified 2026-08-11.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.1th percentile), scored 2026-10-25.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Cyberpanel
Usmannasir Cyberpanel — versions 0a099b1b193946555fbdd387a28486b1521f9961, 0, 8eb29181cb137baa4adb4bba5dce60f601d55a5f

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

Public proof-of-concept exploits

PenteraIO/CVE-2026-41473-CyberPanel-AI-Scanner-Unauth

References

itsrez.re/post/cyberpanel-rce (Exploit, technical-description, Third Party Advisory, exploit, Mitigation)
github.com/usmannasir/cyberpanel/commit/0a099b1b193946555fbdd387a28486b1521f9961 (Patch, patch)
www.vulncheck.com/advisories/cyberpanel-unauthenticated-api-access-via-ai-scann… (Third Party Advisory, third-party-advisory)
github.com/usmannasir/cyberpanel/commit/8eb29181cb137baa4adb4bba5dce60f601d55a5f (patch)

Frequently asked questions

What is CVE-2026-41473?: CVE-2026-41473 is a critical-severity vulnerability in Cyberpanel, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2026-04-24.
How severe is CVE-2026-41473?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2026-41473 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.