CVE-2026-36758 Server-side request forgery in n/a
Authenticated attackers can scan internal resources via SSRF in Halo CMS, potentially exposing sensitive internal network information.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-36758?
CVE-2026-36758 is a medium-severity server-side request forgery vulnerability in n/a, published on 30 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A Server-Side Request Forgery (SSRF) in the /themes/-/install-from-uri endpoint of halo v2.22.14 allows authenticated attackers to scan internal resources via a crafted GET request.
Weakness: CWE-918
Which versions are affected by CVE-2026-36758?
How do I fix CVE-2026-36758?
No fix has been published for CVE-2026-36758 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-36758 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-36758 exists.
Sources
Also known as GHSA-j2q6-4wwg-vm5c.