CVE-2026-101157 Security Advisory 0192
Unauthenticated attackers with adjacent network access can inject malicious scripts into CloudVision CUE, compromising user sessions and data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-101157?
CVE-2026-101157 is a critical cross-site scripting vulnerability in Arista Networks CloudVision CUE, published on 6 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2026-101157?
How do I fix CVE-2026-101157?
No fix has been published for CVE-2026-101157 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-101157 being exploited?
There is no known exploitation of CVE-2026-101157 in the wild and no public exploit code.
Sources
Also known as GHSA-pf63-ww58-qf49.