CVE-2026-2859

MediumCVSS 4.3/10Last modified Jun 17, 2026

Description

Improper permission enforcement in Checkmk versions 2.4.0 before 2.4.0p23, 2.3.0 before 2.3.0p43, and 2.2.0 (EOL) allows unauthenticated users to enumerate existing hosts by observing different HTTP response codes in deploy_agent endpoint, which could lead to information disclosure.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-204

Affected software

No affected versions have been published.

Timeline

Published
Mar 13, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-285907.8In multiple locations, there is a possible improper encryption key validation due to a logic error in the code. This could lead to local escCVE-2026-285937.8In getItemList of SettingsFragment.java, there is a possible user interaction bypass due to misleading or insufficient UI. This could lead tCVE-2026-285947.8In multiple locations, there is a possible use after free due to a logic error in the code. This could lead to local escalation of privilegeCVE-2026-285965.5In parseInterventionFromXml of GameManagerService.java, there is a possible permanent denial of service due to resource exhaustion. This couCVE-2026-285997.8In addCreatorToken of ActivityManagerService.java, there is a possible Intent Redirection Bypass due to a logic error in the code. This coulCVE-2026-28606.3A security vulnerability has been detected in feng_ha_ha/megagao ssm-erp and production_ssm up to 4288d53bd35757b27f2d070057aefb2c07bdd097. CVE-2026-286007.8In onCreate of PaymentDefaultDialog.java, there is a possible way to change default payment app due to a confused deputy. This could lead toCVE-2026-286027.8In setClipboardAccessNotificationsEnabledForUser of ClipboardService.java, there is a possible mult-iuser isolation due to a logic error in CVE-2026-286037.8In assertSafeToStartCustomActivity of AppRestrictionsFragment.java, there is a possible read/write access to private files due to a confusedCVE-2026-286047.5In multiple locations, there is a possible use after free due to a race condition. This could lead to remote code execution with no additionCVE-2026-286069.8In handleBondStateChanged of AdapterService.java, there is a possible way to skip pairing due to a logic error in the code. This could lead CVE-2026-286077.8In multiple functions in multiple locations, there is a possible background activity launch bypass due to a confused deputy. This could lead
CVE-2026-2859: Medium severity, CVSS 4.3 | Vulnix