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High severity · published Mar 16, 2026
CVE-2026-31386
OpenLiteSpeed and LSWS Enterprise provided by LiteSpeed Technologies contain an OS command injection vulnerability
7.2
CVSS
1.4%
EPSS
No
On KEV
Description
OpenLiteSpeed and LSWS Enterprise provided by LiteSpeed Technologies contain an OS command injection vulnerability. An arbitrary OS command may be executed by an attacker with the administrative privilege.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LE
LSWS Enterprise · LiteSpeed Technologies
all versions · source: vendor
OP
OpenLiteSpeed · LiteSpeed Technologies
all versions · source: vendor, NVD
LW
Litespeed Web Server · Litespeedtech
before 6.3.5 · source: NVD
Affected product
LE
LSWS Enterprise
LiteSpeed Technologies
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-31386
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-31386
Third Party Advisory
https://jvn.jp/en/jp/JVN22152812/
Product
https://openlitespeed.org/
Product
https://www.litespeedtech.com/products/litespeed-web-server