High severity · published Aug 11, 2026
CVE-2026-18127
External control of a filename in the Core of Ivanti Endpoint Manager before version 2024 SU7 allows a remote authenticated attacker full write control over an S3 bucket…
7.7
CVSS
0.7%
EPSS
No
On KEV
Description
External control of a filename in the Core of Ivanti Endpoint Manager before version 2024 SU7 allows a remote authenticated attacker full write control over an S3 bucket configured for session recording storage.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EM
Endpoint Manager · Ivanti
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18127
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18127
hub.ivanti.com
https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Endpoint-Manager-EPM-August-2026
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