What is CVE-2026-125878?
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in N-able N-central allows Resource Injection. This issue affects N-central: before 26.4.1.
The record classifies CVE-2026-125878 under weakness class CWE-79. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 2 days ago.
Severity and exploitation probability
- CVSS v4.0 base score
- 8.7 — High (derived from score)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N - CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 4.4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-11-10
Is CVE-2026-125878 being exploited?
It currently carries a trending score of 35 in the Threadlinqs vulnerability feed.
Affected products and versions
- N-able: N-central
How to fix CVE-2026-125878
Vendor advisory: https://me.n-able.com/s/security-advisory/aArVy0000002ijJKAQ/cve2026125878-multiple-ognl-injection-vulnerabilities-lead-to-rce. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2026-125878
2 tracked threats in the Threadlinqs corpus reference CVE-2026-125878, either in the campaign’s CVE list or as an indicator on the campaign record.
- Abuse of legitimate RMM and remote access tools (MeshAgent, ScreenConnect, Ammyy Admin, RDP): Acronis TRU analysis of RMM tool risk for SMBs, incl. CVE-2024-1709 — HIGH · 2026-11-12
- Able2Shell: 33 N-able N-central Vulnerabilities Chained into RCE and Root Privilege Escalation; N-able Takes Hosted Cloud Offline — CRITICAL · 2026-11-09
Sources
Enriched from CVE.org, NVD, GitHub Security Advisories. This product uses the NVD API but is not endorsed or certified by the NVD.