Stored cross-site scripting in Arista CloudVision CUE
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Arista Networks CloudVision CUE from 2021.2.0 through 2026.2.0 contains a stored cross-site scripting flaw (CWE-79). An unauthenticated attacker with adjacent-network access can inject malicious content that runs when an authenticated user views the affected content. Successful exploitation can compromise the victim's authenticated browser session, access sensitive data, modify system state, or disrupt affected services.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
A stored cross-site scripting (XSS) vulnerability may allow an unauthenticated attacker with adjacent-network access to inject malicious content that executes when an authenticated user views affected content. Successful exploitation may allow the attacker to compromise the victim's authenticated browser session, access sensitive data, modify system state, or disrupt affected services.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 Networks 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/…
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2026-68902 Stored cross-site scripting in Arista CloudVision CUEPriority LOW 29
Timeline
- 2026-10-06 Threatist record created from CVE-2026-101157
- 2026-10-07 Alias added: GHSA-pf63-ww58-qf49
- 2026-10-07 Priority changed: LOW → MEDIUM
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-2026-101157 · CVE Program
- CVE-2026-101157 · NVD
- FIRST EPSS
- GHSA-pf63-ww58-qf49 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences