CVE-2026-87820 CyberPanel 2.4.3 through 2.4.5 Information Disclosure via AI Scanner
Unauthenticated attackers can access AI Scanner debugging endpoints to disclose administrator usernames and API key prefixes, facilitating further attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-87820?
CVE-2026-87820 is a medium-severity vulnerability in usmannasir cyberpanel, published on 9 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-200
Which versions are affected by CVE-2026-87820?
How do I fix CVE-2026-87820?
No fix has been published for CVE-2026-87820 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-87820 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-87820 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-2fq6-4p4m-j842, GHSA-qmwq-9cc8-x6h2.