CVE-2026-86176

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 27.4% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-09-18.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-09-05 11:01Z1 MO AGO

Last updated

2026-09-24 14:21Z1 MO AGO

Reserved

2026-09-05

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Weaknesses

• CWE-639Authorization Bypass Through User-Controlled KeyBase

Data version

5.2

Document digest

7ccfb81fdbb654670e6d8dc4ce0ba6ba3737a861b581ee1eea25fd23a7581547

• github.comResearcher Advisoryhttps://github.com/geo-chen/oss/blob/main/netbox.md#finding-1-cross-user-disclosure-of-private-notifications-subscriptions-and-bookmarks-via-rest-api-and-graphql-missing-per-user-scopingthird-party-advisoryexploit
• github.comBookmark, Notification and Subscription viewsetshttps://github.com/netbox-community/netbox/blob/v4.7.0/netbox/extras/api/views.py#L153-L178technical-description
• github.comEXEMPT_EXCLUDE_MODELShttps://github.com/netbox-community/netbox/blob/v4.7.0/netbox/netbox/settings.py#L667-L673technical-description
• github.comhttps://github.com/netbox-community/netboxproduct
• www.vulncheck.comVulnCheck Advisory: NetBox through 4.7.0 Information Disclosure via REST and GraphQL APIshttps://www.vulncheck.com/advisories/netbox-through-4.7.0-information-disclosure-via-rest-and-graphql-apisthird-party-advisory