CVE-2025-11366: N-central < 2025.4 is vulnerable to authentication bypass via path traversal

Q: How do I fix CVE-2025-11366?

n-central: upgrade to 2025.4. Exact commands for each OS are on this page.

Q: Is CVE-2025-11366 being exploited?

CVE-2025-11366 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-11366 affect?

CVE-2025-11366 affects n-central. Severity is critical (CVSS 9.8). N-central < 2025.4 is vulnerable to authentication bypass via path traversal

Q: How urgent is CVE-2025-11366?

Priority 54/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2025-11366 is a critical-severity flaw (CVSS 9.8) affecting n-central. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

N-central < 2025.4 is vulnerable to authentication bypass via path traversal

Why this priority

Critical severity
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-22
Published	2025-11-12
Last modified	2026-10-23

Publisher (CNA): N-able · Vendor: n-able

Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-11-12 16:15 UTCPublished CVE record published
2026-10-23 22:10 UTCUpdated Record last modified

n-able n-central UPGRADE

Affected: < 2025.4

Fixed in: 2025.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy n-central || rpm -q n-central || n-central --version

2. UPGRADE to 2025.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade n-central

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade n-central

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · pspp · FIXED · 2.1.3-2.fc46 · FEDORA-2026-0d6444911b · source

sudo dnf upgrade --advisory=FEDORA-2026-0d6444911b

Fedora ELN · barman · FIXED · 3.20.1-3.eln159 · FEDORA-2026-45ecf042c2 · source

sudo dnf upgrade --advisory=FEDORA-2026-45ecf042c2

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-11366?

n-central: upgrade to 2025.4. Exact commands for each OS are on this page.

Is CVE-2025-11366 being exploited?

CVE-2025-11366 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-11366 affect?

CVE-2025-11366 affects n-central. Severity is critical (CVSS 9.8). N-central < 2025.4 is vulnerable to authentication bypass via path traversal

How urgent is CVE-2025-11366?

Priority 54/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-18577 HIGH 8.1 EXPLOITED UPGRADE N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability
CVE-2026-18556 HIGH 7.4 EXPLOITED UPGRADE N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability
CVE-2025-11700 HIGH 7.5 UPGRADE N-central versions < 2025.4 are vulnerable to multiple XML External Entities injection leading to information
CVE-2025-11367 CRITICAL 9.8 UPGRADE The N-central Software Probe < 2025.4 is vulnerable to Remote Code Execution via deserialization
CVE-2026-86218 CRITICAL 9.8 EXPLOITED UPGRADE N-able N-central Static Code Injection Vulnerability

References

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