VulnRadar

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Page generated: 10 Nov 2026, 16:18 UTC

CVE-2026-16812

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VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality and impact the VCO host. Successful exploitation may compromise the confidentiality, integrity, and availability of the orchestrator and data managed by the orchestrator. This functionality was intended to be for internal use only and is not intended to be remotely accessible. Hosted and Dedicated versions of VCO have already been patched in advance of this notice going out. This issue was discovered externally and is known to be actively exploited.

CVSS 10.0 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE

1.1/10

REALITY · THREAT PRIORITY

8.5/10

General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?

Recorded exploitation baseline: +7.00
Technical severity: CVSS 10: +1.50
Fresh EPSS: 1.76%: +0.01

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 14 documents and public datasets.

Hype components

Headline sample (25%)

30/100

Press, 30 days (60%)

5/100

Grounded branding (15%)

0/100

HYPE TOTAL10/100

Sources and documents

The Hacker News

Press · 24 Oct 2026, 06:25 · CISA Flags Two Actively Exploited Critical Flaws in Collabora Online and Arista VeloCloud - The Hacker News

Rescana

Press · 23 Sep 2026, 07:00 · Active Exploitation Alert: Critical Zero-Day Vulnerability (CVE-2026-16812) in Arista VeloCloud Orchestrator Under Widespread Attack - Rescana

Rescana

Press · 23 Sep 2026, 07:00 · Critical Zero-Day Vulnerability (CVE-2026-16812) Actively Exploited in Arista VeloCloud Orchestrator: Immediate Patching Required - Rescana

Recorded Future

Press · 07 Aug 2026, 07:00 · July 2026 CVE Landscape - Recorded Future

Resecurity

Press · 06 Aug 2026, 07:00 · CVE-2026-16812: Critical Command Injection in Arista VeloCloud Orchestrator - Resecurity

See all 14 source documents

CyberSecurityNews

Press · 03 Aug 2026, 07:00 · Hackers Exploit VeloCloud Orchestrator Command Injection Vulnerability in the Wild - CyberSecurityNews

Tech Times

Press · 29 Jul 2026, 07:00 · Arista VeloCloud CVE-2026-16812: No Password Required to Own Your Enterprise WAN - Tech Times

CyberSecurityNews

Press · 28 Jul 2026, 08:10 · Hackers Exploiting Arista VeloCloud Orchestrator 0-Day Vulnerability in the Wild - CyberSecurityNews

The Hacker News

Press · 28 Jul 2026, 07:00 · Attackers Exploit Arista VeloCloud Orchestrator Command Injection Flaw - The Hacker News

The Register

Press · 28 Jul 2026, 07:00 · Arista patches actively exploited VeloCloud bug as CISA puts admins on the clock - The Register

Security Affairs

Press · 28 Jul 2026, 07:00 · U.S. CISA adds Arista VeloCloud Orchestrator and Fortinet FortiOS flaws to its Known Exploited Vulnerabilit... - Security Affairs

SecurityWeek

Press · 28 Jul 2026, 07:00 · Critical Arista VeloCloud Orchestrator Vulnerability Exploited as Zero-Day - SecurityWeek

SC Media

Press · 28 Jul 2026, 07:00 · Arista patches critical command injection flaw in VeloCloud Orchestrator exploited in attacks - SC Media

BleepingComputer

Press · 27 Jul 2026, 07:00 · Arista patches VeloCloud Orchestrator zero-day exploited in attacks - BleepingComputer

Score evolution

● Hype ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 1.1 · reality 8.5 (2026-11-02 15:14). The curve appears once the score changes.

Public exploit evidence

Public exploit entries / repo candidates

Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence: Exploitation recorded
Priority basis: Recorded exploitation; CVSS 10; EPSS 1.8%
Attention, last 30 days: 1 distinct story titles; 1 press documents; 1 publisher domains.
Technical potential: network access, no prior privileges, no user interaction.
Observed activity: Exploitation recorded in CISA KEV.
Known scale: Not quantified.
Evidence confidence basis: Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:59:58.968821+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline

Added to the CISA KEV catalog

27 Jul 2026, 00:00

First press mention

27 Jul 2026, 07:00

Published

27 Jul 2026, 16:11

Latest press mention

24 Oct 2026, 06:25

Score calculated

05 Nov 2026, 13:59