CVE-2026-48135 HTTP service can incorrectly process malformed HTTP requests
A memory corruption vulnerability in Check Point Quantum Security Gateway allows attackers to cause denial of service or execute code via malformed HTTP requests.
- 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-2026-48135?
CVE-2026-48135 is a medium-severity memory corruption vulnerability in checkpoint Quantum Security Gateway, published on 26 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Check Point HTTP-based service can incorrectly handle malformed HTTP requests. The issue is related to HTTP request parsing and validation.
Weakness: CWE-122
Which versions are affected by CVE-2026-48135?
How do I fix CVE-2026-48135?
No fix has been published for CVE-2026-48135 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-48135 being exploited?
There is no known exploitation of CVE-2026-48135 in the wild and no public exploit code.
Sources
Also known as GHSA-xf23-668r-fgjv.