1name: crowdsecurity/vpatch-CVE-2026-1281
2description: 'Detects pre-auth RCE via Bash arithmetic expansion in Ivanti EPMM appstore endpoint'
3rules:
4  - and:
5      - zones:
6          - URI
7        transform:
8          - urldecode
9          - lowercase
10        match:
11          type: contains
12          value: '/mifs/c/appstore/fob/'
13      - zones:
14          - URI
15        transform:
16          - urldecode
17        match:
18          type: contains
19          value: '`'
20
21labels:
22  type: exploit
23  service: http
24  confidence: 3
25  spoofable: 0
26  behavior: 'http:exploit'
27  label: 'Ivanti EPMM - RCE'
28  classification:
29    - cve.CVE-2026-1281
30    - cve.CVE-2026-1340
31    - attack.T1190
32    - cwe.CWE-78
33