Page generated: 11 Nov 2026, 02:13 UTC
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CVE-2026-18556

Authentication bypass using an alternate path or channel vulnerability in N-able N-central allows Authentication Bypass. This issue affects N-central: through 2026.1.

CVSS 8.2 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.3/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 8.2: +1.23
  • Fresh EPSS: 7.88%: +0.04

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

Sources: 22 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

Cybersecurity Dive
Press · 08 Sep 2026, 07:00 · N-able issues patch for zero-day flaw - Cybersecurity Dive
Huntress
Press · 06 Sep 2026, 07:00 · Rapid Response: Critical N-able N-central Vulnerability and Active Exploitation - Huntress
Cyber Daily
Press · 20 Aug 2026, 07:00 · High alert! Aussie cyber agency warns of active exploitation of N-able N-central vulnerability - Cyber Daily
The Hacker News
Press · 10 Aug 2026, 07:00 · China-Linked Hackers Deploy New StormEncryptor Ransomware, Likely via N-central Flaw - The Hacker News
Help Net Security
Press · 10 Aug 2026, 07:00 · N-able ships second N-central hotfix as attackers keep exploiting CVE-2026-18577 - Help Net Security
See all 22 source documents
The Hacker News
Press · 08 Aug 2026, 07:00 · N-able Issues N-central Hotfix 2 as Attackers Reach Managed Systems and Persist - The Hacker News
Security Affairs
Press · 05 Aug 2026, 07:00 · U.S. CISA adds Langflow, Apache Tomcat, and N-able N-central flaws to its Known Exploited Vulnerabilities c... - Security Affairs
The Hacker News
Press · 05 Aug 2026, 07:00 · CISA Flags Langflow RCE, Tomcat, and N-central Flaws as Actively Exploited - The Hacker News
Rapid7
Press · 04 Aug 2026, 07:00 · CVE-2026-18577: N-able N-central Authentication Bypass Exploited in the Wild - Rapid7
The Register
Press · 04 Aug 2026, 07:00 · Feds get 3 days to patch N-able God mode flaw under active exploit - The Register
SOC Prime
Press · 04 Aug 2026, 07:00 · CVE-2026-18577: N-able N-central Auth Bypass - SOC Prime
Security Affairs
Press · 04 Aug 2026, 07:00 · U.S. CISA adds a N-able N-central flaw to its Known Exploited Vulnerabilities catalog - Security Affairs
The Hacker News
Press · 04 Aug 2026, 07:00 · CISA Adds Exploited N-able N-central Flaw to KEV After Customer Compromises - The Hacker News
IT Security Guru
Press · 03 Aug 2026, 07:00 · Critical N-able N-central Vulnerability Under Active Exploitation as Hotfix Lands - IT Security Guru
SecurityWeek
Press · 03 Aug 2026, 07:00 · N‑able Patches Vulnerability Exploited to Hack N-central Servers - SecurityWeek
The Hacker News
Press · 03 Aug 2026, 07:00 · N-able Says Attackers Take Over N-central Servers After Initial Fix Proves Incomplete - The Hacker News
CyberSecurityNews
Press · 03 Aug 2026, 07:00 · Critical N-Able N-Central Vulnerability Allows Hackers to Gain god-mode Access to the RMM Console - CyberSecurityNews
Rescana
Press · 03 Aug 2026, 07:00 · Active Exploitation of N-able N-central Vulnerabilities (CVE-2026-18556, CVE-2026-18577): Attackers Bypass Incomplete Patch to Compromise MSP Environments - Rescana
Help Net Security
Press · 03 Aug 2026, 07:00 · Attackers exploit N-able N-central flaw to reach managed endpoints (CVE-2026-18577) - Help Net Security
Arctic Wolf
Press · 03 Aug 2026, 07:00 · Recommendations for CVE-2026-18556 / CVE-2026-18577 - Arctic Wolf
Dark Reading
Press · 03 Aug 2026, 07:00 · Attackers Exploit N-able Patch Bypass Flaw on RMM Servers - Dark Reading
SC Media
Press · 03 Aug 2026, 07:00 · N-able addresses critical N-central vulnerabilities exploited by attackers - SC Media

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 8.3 (2026-11-02 15:14). 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 8.2; EPSS 7.9%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction, additional attack conditions.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 14:00:00.097835+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
01 Aug 2026, 19:59
First press mention
03 Aug 2026, 07:00
Added to the CISA KEV catalog
04 Aug 2026, 00:00
Latest press mention
08 Sep 2026, 07:00
Score calculated
05 Nov 2026, 14:00