Quick answers
- Is CVE-2026-102157 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-102157 being exploited in the wild.
- How severe is CVE-2026-102157?
- Medium severity, with a CVSS score of 5.9, published 6 October 2026.
- Which products and versions are affected?
- Arista Cloudvision Portal 2026.2.0 and all prior releases back to 2021.2.0.
- Is there a fix for CVE-2026-102157?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-102157 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-102157?
- Check whether you run Arista Cloudvision Portal at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
An IDOR vulnerability in the CloudVision CUE file-serving interface allows authenticated network users to bypass authorization checks via user-controlled object references (CWE-639). The attacker must be authenticated and exploit specific timing or state conditions to access transient data belonging to other users, resulting in confidentiality and limited availability impact.
Affected products
- Arista CloudVision Portal 2026.2.0 and all prior releases back to 2021.2.0
Timeline
- 2026-10-06: disclosed