CVE-2026-125883

CVE Enrichment

CVSS: 9.3 CRITICAL
CISA KEV: Not listed

Description

Improper restriction of XML external entity reference vulnerability in N-able N-central allows XML Schema Poisoning. This issue affects N-central: before 26.4.1.

Technical Details

CVSS Version: 4.0
CNA / NVD Source: a5532a13-c4dd-4202-bef1-e0b8f2f8d12b
Published: 11-Nov-2026 05:18
Last Modified: 11-Nov-2026 22:17
CWE: CWE-611

CVSS Vector


            CVSS:4.0                            AV:N /
                            AC:L /
                            AT:N /
                            PR:N /
                            UI:N /
                            VC:H /
                            VI:H /
                            VA:L /
                            SC:N /
                            SI:N /
                            SA:N /
                            E:X /
                            CR:X /
                            IR:X /
                            AR:X /
                            MAV:X /
                            MAC:X /
                            MAT:X /
                            MPR:X /
                            MUI:X /
                            MVC:X /
                            MVI:X /
                            MVA:X /
                            MSC:X /
                            MSI:X /
                            MSA:X /
                            S:X /
                            AU:X /
                            R:X /
                            V:X /
                            RE:X /
                            U:X

CNA Products / Version Status

N-able · N-central Source: CNA · a5532a13-c4dd-4202-bef1-e0b8f2f8d12b
Default status: unaffected

0 ≤ version < 26.4.1 — affected (custom)

References

Last enrichment sync: 12-Nov-2026 02:07
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (4)

The resolved vulnerabilities include CVE-2026-125883 (multiple XXE issues, CVSS score of 9.3), CVE-2026-125878 (XSS flaws, CVSS score of 8.7), CVE-2026-125879 (privilege escalation, CVSS score of 8.6), CVE-2026-125880 N-able Patches N-central Flaws as Attackers Probe Exposed Instances
CVE-2026-125883 - Multiple XXE Vulnerabilities N-able Releases N-central Hotfixes for Seven Zero-Day Vulnerabilities
Flaws covered by the N-able hotfix are tracked as the following: CVE-2026-125883, which covers multiple XXE vulnerabilities; CVE-2026-125878, which covers multiple OGNL Injection vulnerabilities; CVE-2026-125879, a N-able Takes N-central Offline After 33 Flaws Disclosed
Customers leveraging Rapid7’s Intelligence Hub can access Suricata detection rules for CVE-2026-125883, CVE-2026-125878, CVE-2026-125879, CVE-2026-125880, CVE-2026-125881, and CVE-2026-125882. N-able Releases N-central Hotfix for Critical Vulnerabilities After PoC Scanning

CVE (10)

People (4)

MITRE ATT&CK (5)

Vendors (1)

Products (2)

Tools (1)

Industries (3)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.