---
id: "CVE-2026-125880"
page: "https://infrastack.ai/live/CVE-2026-125880"
kind: "vulnerability"
aliases: ["CVE-2026-125880"]
title: "N-able N-central: HTTP header handling lets attackers run scripts in browsers"
severity: "high"
cvss: 8.3
epss: null
exploited: false
status: "open"
category: "vendor"
products: [{"name": "N-central", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["msp", "n-able", "n-central", "vendor"]
not_affected_if: ["already-on-26.4.1"]
published_at: "2026-11-10T22:18:30+00:00"
first_seen_at: "2026-11-10T22:27:29+00:00"
updated_at: "2026-11-10T22:29:01+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-125880", "first_seen_at": "2026-11-10T22:27:29+00:00"}]
exploit_sources: []
---

# N-able N-central: HTTP header handling lets attackers run scripts in browsers

Link for people: https://infrastack.ai/live/CVE-2026-125880 (this .md is for agents)

N-able N-central has an HTTP header neutralization flaw that allows cross-site scripting. An attacker who gets a crafted request to a user can run scripts in that user's browser session.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:N-central affected range not listed fixed no fixed version listed

## How to check

- Check the installed N-central version in the admin console and compare it to the fixed release.

## Fix

- N-central: upgrade to `26.4.1` or later

## Timeline

- 2026-11-10T22:27:29+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-125880

## From the sources

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.

---

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