Security Advisory 0186

Summary

CVECVE-2026-101150
StatePUBLISHED
AssignerArista
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-06 20:17:08 UTC
Updated2026-10-07 13:38:48 UTC
DescriptionInsufficient validation of OIDC bearer token configuration could allow a user with specific high privileges to direct requests to arbitrary destinations.

Risk And Classification

Primary CVSS: v4.0 5.1 MEDIUM from [email protected]

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

EPSS: 0.002180000 probability, percentile 0.111930000 (date 2026-10-07)

Problem Types: CWE-918 | CWE-918 CWE-918 Server-Side Request Forgery (SSRF)


VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.1MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/C...
4.0CNACVSS5.1MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N
3.1[email protected]Secondary4.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
3.1CNACVSS4.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Confidentiality
None
Integrity
None
Availability
None
Sub Conf.
Low
Sub Integrity
None
Sub Availability
None

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

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Arista Networks CloudVision Portal affected 2026.2.0 custom CloudVision Portal, virtual appliance or physical appliance
CNA Arista Networks CloudVision Portal affected 2026.1.0 2026.1.2 custom CloudVision Portal, virtual appliance or physical appliance
CNA Arista Networks CloudVision Portal affected 2025.3.0 2025.3.3 custom CloudVision Portal, virtual appliance or physical appliance
CNA Arista Networks CloudVision Portal affected 2023.3.0 2025.3.0 custom CloudVision Portal, virtual appliance or physical appliance

References

ReferenceSourceLinkTags
www.arista.com/en/support/advisories-notices/security-advisory/24802-securit... [email protected] www.arista.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: CVE-2026-101150 has been fixed in the following releases: - 2026.2.1 and later releases in the 2026.2.x train - 2026.1.3 and later releases in the 2026.1.x train - 2025.3.4 and later releases in the 2025.3.x train

Workarounds

CNA: There is no configuration-based mitigation for this issue. However, operators can consider switching to an alternative non-OIDC SSO login method, if feasible. Additionally, restrict AAA settings and Account Management configuration permissions to trusted personnel only.

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