CVE-2026-24413: icinga Incorrect Default Permissions
Vulnerability summary
CVE-2026-24413 is a medium (CVSS 6.8) Incorrect Default Permissions vulnerability in icinga. EPSS estimates a 0.08% chance of exploitation in the next 30 days, higher than 0% of scored vulnerabilities.
Timeline
- 29-01-2026PublishedVulnerability first disclosed.
- 29-01-2026Last modifiedVulnerability information updated.
Description
Icinga 2 is an open source monitoring system. Starting in version 2.3.0 and prior to versions 2.13.14, 2.14.8, and 2.15.2, the Icinga 2 MSI did not set appropriate permissions for the `%ProgramData%\icinga2\var` folder on Windows. This resulted in the its contents - including the private key of the user and synced configuration - being readable by all local users. All installations on Windows are affected. Versions 2.13.14, 2.14.8, and 2.15.2 contains a fix. There are two possibilities to work around the issue without upgrading Icinga 2. Upgrade Icinga for Windows to at least version v1.13.4, v1.12.4, or v1.11.2. These version will automatically fix the ACLs for the Icinga 2 agent as well. Alternatively, manually update the ACL for the given folder `C:\ProgramData\icinga2\var` (and `C:\Program Files\WindowsPowerShell\modules\icinga-powershell-framework\certificate` to fix the issue for the Icinga for Windows as well) including every sub-folder and item to restrict access for general users, only allowing the Icinga service user and administrators access.
CVSS metrics
5 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.8MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- NVDNIST6.8MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.08%
Chance of exploitation in the next 30 days
Percentile
0%
Versus all other CVEs
30-day change
+0.01 pp
From 0.07% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Icinga2 products
Opensuse1 product
- icinga2&distro=openSUSE Tumbleweed< 2.15.2-1.1
Ubuntu1 product
- icinga2All versions (No fix recorded)
3 vendors · 4 products
References
6 links- github.com/Icinga/icinga2/security/advisories/GHSA-vfjg-6fpv-4mmrX Refsource CONFIRMREPORTVendor Advisory
- github.com/Icinga/icinga-powershell-framework/security/advisories/GHSA-88h5-rrm6-5973X Refsource MISCREPORTNot Applicable