How severe is CVE-2026-48133?

CVE-2026-48133 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-48133 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-48133?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-48133 have an EU (EUVD) identifier?

Yes. CVE-2026-48133 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31820.

When was CVE-2026-48133 published?

CVE-2026-48133 was published on 2026-05-26 and last updated on 2026-06-17.

CVE-2026-48133

CVE-2026-48133 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-98.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31820
Weakness: CWE-98
Published: 2026-05-26
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-48133?: CVE-2026-48133 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-48133 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-48133?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-48133 have an EU (EUVD) identifier?: Yes. CVE-2026-48133 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31820.
When was CVE-2026-48133 published?: CVE-2026-48133 was published on 2026-05-26 and last updated on 2026-06-17.

References

https://support.checkpoint.com/results/sk/sk184993

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