What is CVE-2026-48133?

CVE-2026-48133 is a high-severity vulnerability in Checkpoint Quantum Security Gateway, classified under PHP Remote File Inclusion. CVSS score: 7.5/10. Published 2026-05-26.

How severe is CVE-2026-48133?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Checkpoint Quantum Security Gateway

CVE-2026-48133

When the Identity Awareness blade is enabled with Browser-Based Authentication, an unauthenticated user may be able to read certain internal files on the Security Gateway.

EPSS: 0.001 (31.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Checkpoint Quantum Security Gateway — versions All releases from R81.10 and below, R81.20 with Jumbo Hotfix Take 127 or below, R82 with Jumbo Hotfix Take 91 or below

Weakness classification (CWE)

CWE-98 — PHP Remote File Inclusion

References

cve@checkpoint.com

Frequently asked questions

What is CVE-2026-48133?: CVE-2026-48133 is a high-severity vulnerability in Checkpoint Quantum Security Gateway, classified under PHP Remote File Inclusion. CVSS score: 7.5/10. Published 2026-05-26.
How severe is CVE-2026-48133?: High severity. CVSS v3 base score is 7.5 out of 10.