CVE-2026-2859
EUVD-2026-1178413.03.2026, 19:54
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.Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| checkmk | checkmk | 2.2.0 |
| checkmk | checkmk | 2.2.0:b1 |
| checkmk | checkmk | 2.2.0:b2 |
| checkmk | checkmk | 2.2.0:b3 |
| checkmk | checkmk | 2.2.0:b4 |
| checkmk | checkmk | 2.2.0:b5 |
| checkmk | checkmk | 2.2.0:b6 |
| checkmk | checkmk | 2.2.0:b7 |
| checkmk | checkmk | 2.2.0:b8 |
| checkmk | checkmk | 2.2.0:i1 |
| checkmk | checkmk | 2.2.0:p1 |
| checkmk | checkmk | 2.2.0:p10 |
| checkmk | checkmk | 2.2.0:p11 |
| checkmk | checkmk | 2.2.0:p12 |
| checkmk | checkmk | 2.2.0:p13 |
| checkmk | checkmk | 2.2.0:p14 |
| checkmk | checkmk | 2.2.0:p15 |
| checkmk | checkmk | 2.2.0:p16 |
| checkmk | checkmk | 2.2.0:p17 |
| checkmk | checkmk | 2.2.0:p18 |
| checkmk | checkmk | 2.2.0:p19 |
| checkmk | checkmk | 2.2.0:p2 |
| checkmk | checkmk | 2.2.0:p20 |
| checkmk | checkmk | 2.2.0:p21 |
| checkmk | checkmk | 2.2.0:p22 |
| checkmk | checkmk | 2.2.0:p23 |
| checkmk | checkmk | 2.2.0:p24 |
| checkmk | checkmk | 2.2.0:p25 |
| checkmk | checkmk | 2.2.0:p26 |
| checkmk | checkmk | 2.2.0:p27 |
| checkmk | checkmk | 2.2.0:p28 |
| checkmk | checkmk | 2.2.0:p29 |
| checkmk | checkmk | 2.2.0:p3 |
| checkmk | checkmk | 2.2.0:p30 |
| checkmk | checkmk | 2.2.0:p31 |
| checkmk | checkmk | 2.2.0:p32 |
| checkmk | checkmk | 2.2.0:p33 |
| checkmk | checkmk | 2.2.0:p34 |
| checkmk | checkmk | 2.2.0:p35 |
| checkmk | checkmk | 2.2.0:p36 |
| checkmk | checkmk | 2.2.0:p37 |
| checkmk | checkmk | 2.2.0:p38 |
| checkmk | checkmk | 2.2.0:p39 |
| checkmk | checkmk | 2.2.0:p4 |
| checkmk | checkmk | 2.2.0:p40 |
| checkmk | checkmk | 2.2.0:p41 |
| checkmk | checkmk | 2.2.0:p42 |
| checkmk | checkmk | 2.2.0:p43 |
| checkmk | checkmk | 2.2.0:p44 |
| checkmk | checkmk | 2.2.0:p45 |
| checkmk | checkmk | 2.2.0:p46 |
| checkmk | checkmk | 2.2.0:p47 |
| checkmk | checkmk | 2.2.0:p5 |
| checkmk | checkmk | 2.2.0:p6 |
| checkmk | checkmk | 2.2.0:p7 |
| checkmk | checkmk | 2.2.0:p8 |
| checkmk | checkmk | 2.2.0:p9 |
| checkmk | checkmk | 2.3.0 |
| checkmk | checkmk | 2.3.0:b1 |
| checkmk | checkmk | 2.3.0:b2 |
| checkmk | checkmk | 2.3.0:b3 |
| checkmk | checkmk | 2.3.0:b4 |
| checkmk | checkmk | 2.3.0:b5 |
| checkmk | checkmk | 2.3.0:b6 |
| checkmk | checkmk | 2.3.0:p1 |
| checkmk | checkmk | 2.3.0:p10 |
| checkmk | checkmk | 2.3.0:p11 |
| checkmk | checkmk | 2.3.0:p12 |
| checkmk | checkmk | 2.3.0:p13 |
| checkmk | checkmk | 2.3.0:p14 |
| checkmk | checkmk | 2.3.0:p15 |
| checkmk | checkmk | 2.3.0:p16 |
| checkmk | checkmk | 2.3.0:p17 |
| checkmk | checkmk | 2.3.0:p18 |
| checkmk | checkmk | 2.3.0:p19 |
| checkmk | checkmk | 2.3.0:p2 |
| checkmk | checkmk | 2.3.0:p20 |
| checkmk | checkmk | 2.3.0:p21 |
| checkmk | checkmk | 2.3.0:p22 |
| checkmk | checkmk | 2.3.0:p23 |
| checkmk | checkmk | 2.3.0:p24 |
| checkmk | checkmk | 2.3.0:p25 |
| checkmk | checkmk | 2.3.0:p26 |
| checkmk | checkmk | 2.3.0:p27 |
| checkmk | checkmk | 2.3.0:p28 |
| checkmk | checkmk | 2.3.0:p29 |
| checkmk | checkmk | 2.3.0:p3 |
| checkmk | checkmk | 2.3.0:p30 |
| checkmk | checkmk | 2.3.0:p31 |
| checkmk | checkmk | 2.3.0:p32 |
| checkmk | checkmk | 2.3.0:p33 |
| checkmk | checkmk | 2.3.0:p34 |
| checkmk | checkmk | 2.3.0:p35 |
| checkmk | checkmk | 2.3.0:p36 |
| checkmk | checkmk | 2.3.0:p37 |
| checkmk | checkmk | 2.3.0:p38 |
| checkmk | checkmk | 2.3.0:p39 |
| checkmk | checkmk | 2.3.0:p4 |
| checkmk | checkmk | 2.3.0:p40 |
| checkmk | checkmk | 2.3.0:p41 |
| checkmk | checkmk | 2.3.0:p42 |
| checkmk | checkmk | 2.3.0:p5 |
| checkmk | checkmk | 2.3.0:p6 |
| checkmk | checkmk | 2.3.0:p7 |
| checkmk | checkmk | 2.3.0:p8 |
| checkmk | checkmk | 2.3.0:p9 |
| checkmk | checkmk | 2.4.0 |
| checkmk | checkmk | 2.4.0:b1 |
| checkmk | checkmk | 2.4.0:b2 |
| checkmk | checkmk | 2.4.0:b3 |
| checkmk | checkmk | 2.4.0:b4 |
| checkmk | checkmk | 2.4.0:b5 |
| checkmk | checkmk | 2.4.0:b6 |
| checkmk | checkmk | 2.4.0:p1 |
| checkmk | checkmk | 2.4.0:p10 |
| checkmk | checkmk | 2.4.0:p11 |
| checkmk | checkmk | 2.4.0:p12 |
| checkmk | checkmk | 2.4.0:p13 |
| checkmk | checkmk | 2.4.0:p14 |
| checkmk | checkmk | 2.4.0:p15 |
| checkmk | checkmk | 2.4.0:p16 |
| checkmk | checkmk | 2.4.0:p17 |
| checkmk | checkmk | 2.4.0:p18 |
| checkmk | checkmk | 2.4.0:p19 |
| checkmk | checkmk | 2.4.0:p2 |
| checkmk | checkmk | 2.4.0:p20 |
| checkmk | checkmk | 2.4.0:p21 |
| checkmk | checkmk | 2.4.0:p22 |
| checkmk | checkmk | 2.4.0:p3 |
| checkmk | checkmk | 2.4.0:p4 |
| checkmk | checkmk | 2.4.0:p5 |
| checkmk | checkmk | 2.4.0:p6 |
| checkmk | checkmk | 2.4.0:p7 |
| checkmk | checkmk | 2.4.0:p8 |
| checkmk | checkmk | 2.4.0:p9 |
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References