CVE-2026-31386 — HIGH (7.2)

Q: How severe is CVE-2026-31386?

CVE-2026-31386 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-31386?

Check the references section above for vendor advisories and patch information. Affected products include: Litespeedtech Litespeed Web Server, Litespeedtech Openlitespeed.

Vulnerability 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 Score

7.2

HIGH

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Litespeedtech	Litespeed Web Server	< 6.3.5
Litespeedtech	Openlitespeed	<= 1.9.0

Related Weaknesses (CWE)

CWE-78

References

https://jvn.jp/en/jp/JVN22152812/Third Party Advisory
https://openlitespeed.org/Product
https://www.litespeedtech.com/products/litespeed-web-serverProduct

FAQ

What is CVE-2026-31386?

CVE-2026-31386 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 privi...

How severe is CVE-2026-31386?

CVE-2026-31386 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-31386?

Check the references section above for vendor advisories and patch information. Affected products include: Litespeedtech Litespeed Web Server, Litespeedtech Openlitespeed.