CVE-2024-13986: Nagios XI · Unrestricted File Upload
Affects Nagios XISource CVE Database V5
Not known to be exploited · CVSS 8.7 High · patch available : patch Nagios XI soon.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 1.7% chance of exploitation in 30 days – higher than 77% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 28 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Nagios Nagios XI | Affected
| Fixed in– |
AI-suggested
A patch is available for Nagios XI version 2024R1.3.2 and later. Since Nagios XI is a cloud service, the vendor manages remediation server-side. Users should verify with Nagios that their service instance has been updated to the patched version to mitigate this vulnerability.
Description
Nagios XI < 2024R1.3.2 contains a remote code execution vulnerability by chaining two flaws: an arbitrary file upload and a path traversal in the Core Config Snapshots interface. The issue arises from insufficient validation of file paths and extensions during MIB upload and snapshot rename operations. Exploitation results in the placement of attacker-controlled PHP files in a web-accessible directory, executed as the www-data user.
References
- theyhack.me/Nagios-XI-Authenticated-RCE (opens in a new tab)
- nagios.com/changelog/nagios-xi/ (opens in a new tab)
- nagios.com/products/security/ (opens in a new tab)
- vulncheck.com/advisories/nagios-xi-authenticated-arbitrary-file-upload-path-traversal-rce (opens in a new tab)
- theyhack.me/Nagios-XI-Authenticated-RCE/ (opens in a new tab)