CVE-2026-125883— Multiple XXE Vulnerabilities

Quick assessment

Affected

N-able N-central

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

N-able N-central 中存在 XML 外部实体引用限制不当的漏洞，可导致 XML Schema 投毒攻击。此问题影响 N-central 26.4.1 之前的所有版本。

CVSS 9.3 · Critical Updated Nov 11, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

Multiple XXE Vulnerabilities

Source: CVE Program / CVE List V5

Vulnerability 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.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

XML外部实体引用的不恰当限制(XXE)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
N-able	N-central	0 ~ 26.4.1	-

II. Public POCs for CVE-2026-125883

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-125883

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Other References for CVE-2026-125883 (1)

https://me.n-able.com/s/security-advisory/aArVy0000002ihhKAA/cve2026125883-multiple-xxe-vulnerabilities vendor-advisory

https://www.cve.org/CVERecord?id=CVE-2026-125883

Same Patch Batch · N-able · 2026-11-10 · 8 CVEs total

CVE-2026-125881	9.3 CRITICAL	Schema-hint SSRF via service import schema validation
CVE-2026-125878	8.7 HIGH	Multiple OGNL Injection vulnerabilities
CVE-2026-125879	8.6 HIGH	Local privilege escalation to root via nable-writable syslog-ng config
CVE-2026-125882	8.6 HIGH	RCE via file repository upload path traversal
CVE-2026-91000	8.4 HIGH	Insecure IPC Channels lead to local privilege escalation
CVE-2026-125880	8.3 HIGH	Stored XSS via MMS3 patch metadata (admin context)
CVE-2026-125958	7.5 HIGH	Root RCE via unsigned NSP upgrade package upload

IV. Related Vulnerabilities

Same product: N-central

Same vendor: N-able

Same weakness: CWE-611