CVE-2026-125880

CVE Enrichment

CVSS: 8.3 HIGH
CISA KEV: Not listed

Description

Improper neutralization of HTTP headers for scripting syntax vulnerability in N-able N-central allows Cross-Site Scripting (XSS). 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 05:18
CWE: CWE-644

CVSS Vector


            CVSS:4.0                            AV:N /
                            AC:L /
                            AT:N /
                            PR:H /
                            UI:A /
                            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

a5532a13-c4dd-4202-bef1-e0b8f2f8d12b

Last enrichment sync: 12-Nov-2026 02:16
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (4)

(XSS flaws, CVSS score of 8.7), CVE-2026-125879 (privilege escalation, CVSS score of 8.6), CVE-2026-125880 (XSS, CVSS score of 8.3), CVE-2026-125881 (SSRF, CVSS score of 9.3), and CVE-2026-91000 (missing N-able Patches N-central Flaws as Attackers Probe Exposed Instances
CVE-2026-125880 - Stored XSS via MMS3 patch metadata (admin context) N-able Releases N-central Hotfixes for Seven Zero-Day Vulnerabilities
covers multiple OGNL Injection vulnerabilities; CVE-2026-125879, a local privilege escalation flaw; CVE-2026-125880, described as stored XSS via MMS3 patch metadata; and CVE-2026-125881, a schema validation flaw. 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.