How severe is CVE-2026-36848?

CVE-2026-36848 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-2026-36848 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-36848?

CVE-2026-36848 affects Gigamon Gigavue-os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-36848?

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.

When was CVE-2026-36848 published?

CVE-2026-36848 was published on 2026-06-29 and last updated on 2026-06-30.

CVE-2026-36848

CVE-2026-36848 is a high-severity vulnerability in Gigamon Gigavue-os 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Gigamon Gigavue-os
Published: 2026-06-29
Last modified: 2026-06-30

Description

Gigamon GVOS v5.16.1 and below is vulnerable to Directory Traversal in the GVOS H-VUE subsystem.

Frequently asked questions

What is CVE-2026-36848?: Gigamon GVOS v5.16.1 and below is vulnerable to Directory Traversal in the GVOS H-VUE subsystem.
How severe is CVE-2026-36848?: CVE-2026-36848 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-2026-36848 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-36848?: CVE-2026-36848 affects Gigamon Gigavue-os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-36848?: 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.
When was CVE-2026-36848 published?: CVE-2026-36848 was published on 2026-06-29 and last updated on 2026-06-30.

References

Affected products (1)

cpe:2.3:o:gigamon:gigavue-os:*:*:*:*:*:*:*:*

More vulnerabilities in Gigamon Gigavue-os

CVE-2023-0746 — Medium (CVSS 6.3): The help page in GigaVUE-FM, when using GigaVUE-OS software version 5.0 202, does not require an authenticated user. An…
CVE-2020-23249 — Medium (CVSS 4.7): GigaVUE-OS (GVOS) 5.4 - 5.9 stores a Redis database password in plaintext.
CVE-2020-23250 — Low (CVSS 2.3): GigaVUE-OS (GVOS) 5.4 - 5.9 uses a weak algorithm for a hash stored in internal database.

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