Vulnerability · Published Sep 9, 2026 · Assigned by VulnCheck

CVE-2026-87820CyberPanel 2.4.3 through 2.4.5 Information Disclosure via AI Scanner

Medium 5.3

In plain English

A medium-severity information exposure in cyberpanel from usmannasir. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei.

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.9%top 40.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack tooling1Nuclei

Official description

CyberPanel versions 2.4.3 through 2.4.5 expose unauthenticated AI Scanner debugging endpoints that disclose administrator usernames, API-key prefixes, scan identifiers, target domains, and account metadata. Unauthenticated attackers can enumerate panel administrators and recent scanner activity to inventory multi-tenant installations and facilitate follow-on attacks.

Affected products (as reported)

Vendor	Product	Versions
usmannasir	cyberpanel	2.4.3 – before 2.4.6

Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

GitHub Security Advisory (GHSA-qmwq-9cc8-x6h2) vendor-advisory
Patch Commit patch
VulnCheck Advisory: CyberPanel 2.4.3 through 2.4.5 Information Disclosure via AI Scanner third-party-advisory