Page generated: 08 Nov 2026, 15:03 UTC
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CVE-2025-34026

The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The internal Actuator endpoint can be leveraged for access to heap dumps and trace logs.…

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The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The internal Actuator endpoint can be leveraged for access to heap dumps and trace logs.This issue is known to affect Concerto from 12.1.2 through 12.2.0. Additional versions may be vulnerable.
CVSS 9.2 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.8/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.2: +1.38
  • Fresh EPSS: 81.78%: +0.41

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

Sources: 10 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

Recorded Future
Press · 24 Feb 2026, 08:00 · January 2026 CVE Landscape: 23 Critical Vulnerabilities Mark 5% Increase, APT28 Exploits Microsoft Office Zero-Day - Recorded Future
Cyber Daily
Press · 23 Jan 2026, 08:00 · 4 vulnerabilities added to CISA’s ‘known exploited’ listing - Cyber Daily
BleepingComputer
Press · 23 Jan 2026, 08:00 · CISA confirms active exploitation of four enterprise software bugs - BleepingComputer
The Hacker News
Press · 23 Jan 2026, 08:00 · CISA Updates KEV Catalog with Four Actively Exploited Software Vulnerabilities - The Hacker News
SecurityWeek
Press · 23 Jan 2026, 08:00 · Organizations Warned of Exploited Zimbra Collaboration Vulnerability - SecurityWeek
See all 10 source documents
Cyfirma
Press · 02 Jun 2025, 07:00 · Versa Concerto: Understanding and Mitigating CVE-2025-34027 - Cyfirma
The Hacker News
Press · 26 May 2025, 07:00 · ⚡ Weekly Recap: APT Campaigns, Browser Hijacks, AI Malware, Cloud Breaches and Critical CVEs - The Hacker News
Field Effect
Press · 22 May 2025, 07:00 · Critical vulnerabilities in Versa Concerto at risk of exploitation - Field Effect
The Hacker News
Press · 22 May 2025, 07:00 · Critical Versa Concerto Flaws Let Attackers Escape Docker and Compromise Hosts - The Hacker News
Arctic Wolf
Press · 21 May 2025, 07:00 · Multiple Unpatched Vulnerabilities in Versa Concerto Disclosed - Arctic Wolf

Score evolution

● Hype   ● Reality

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

First record: hype 0.0 · reality 8.8 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

0

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 9.2; EPSS 81.8%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 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 13:59:34.986036+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
21 May 2025, 07:00
Published
21 May 2025, 22:04
Added to the CISA KEV catalog
22 Jan 2026, 00:00
Latest press mention
24 Feb 2026, 08:00
Score calculated
05 Nov 2026, 13:59