IDOR in Arista CloudVision CUE exposes other users' transient data
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.
Summary
Arista CloudVision CUE from 2021.2.0 through 2026.2.0 contains an insecure direct object reference (CWE-639) in its CUE file-serving interface. An authenticated network user can, under specific attack conditions, access another user's transient data.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
An insecure direct object reference (IDOR) vulnerability in a CloudVision CUE file-serving interface may allow an authenticated network user, under specific attack conditions, to access another user's transient data.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for Arista CloudVision CUE.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Arista Networks CloudVision CUE — arista.com/en/support/advisories-notices/security-advisory/…
6 records Highest priority Priority MEDIUM 2 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2026-68908 Access control flaw in Arista CloudVision CUE backendPriority MEDIUM 48
- TI-2026-68909 OS command injection in Arista CloudVision CUE backup managementPriority MEDIUM 42
- TI-2026-68910 Authentication bypass in Arista CloudVision CUE via IP spoofingPriority LOW 39
Timeline
- 2026-10-06 Threatist record created from CVE-2026-102157
- 2026-10-07 Alias added: GHSA-9frv-g42f-xq53
References
More Arista vulnerabilities
- TI-2026-79524 Privilege escalation in Arista VeloCloud Orchestrator on-premises KEVCVSS 4.0CRITICAL 9.4
- TI-2026-63212 Improper input validation in Arista VeloCloud Orchestrator On-Prem KEVCVSS 4.0CRITICAL 9.5
- TI-2026-13992 VeloCloud Orchestrator OS Command Injection KEVCVSS 4.0CRITICAL 10.0
- TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
- TI-2026-23989 crypto: algif_aead - Revert to operating out-of-place KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2026-102157 · CVE Program
- CVE-2026-102157 · NVD
- FIRST EPSS
- GHSA-9frv-g42f-xq53 · GitHub Advisory Database · CC BY 4.0
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