October 7, 2026

CVE Watchtower

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CVE-2026-101157NVD

Vulnerability Summary

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.
Severity Level
CRITICAL(9.3)
Published Date
Oct 6, 2026
Last Modified
Oct 6, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.22%Probability
Root Weakness (CWE)
CWE-79: Cross-site Scripting (XSS) ↗
The software does not neutralize user-controllable input before it is placed in output that is used as a web page.
CVSS v4.0 Base Metrics — Score 9.3 (CRITICAL)
Attack VectorAdjacent
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionActive
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)Low
Confidentiality (Subsequent System)High
Integrity (Subsequent System)High
Availability (Subsequent System)Low
CVSS v3.1 Base Metrics — Score 8.7 (HIGH)
Attack VectorAdjacent
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityLow

Affected & Patched Versions

Affected Versions
  • Arista Networks CloudVision CUE >= 2021.2.0 and <= 2026.2.0
Patched Versions
  • Arista Networks CloudVision CUE 2026.2.0
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🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.

External References