CVE-2026-31386

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 v3 7.2 HIGH

7.2^/10

CVSS v3 : HIGH

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

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:litespeedtech:litespeed_web_server::::::::
	cpe:2.3:a:litespeedtech:openlitespeed::::::::

History

08 Jun 2026, 13:14

Type	Values Removed	Values Added
First Time		Litespeedtech litespeed Web Server Litespeedtech openlitespeed Litespeedtech
CPE		cpe:2.3:a:litespeedtech:litespeed_web_server:::::::: cpe:2.3:a:litespeedtech:openlitespeed::::::::
Summary		(es) OpenLiteSpeed y LSWS Enterprise proporcionados por LiteSpeed Technologies contienen una vulnerabilidad de inyección de comandos del sistema operativo. Un comando arbitrario del sistema operativo puede ser ejecutado por un atacante con privilegios administrativos.
References	~~() https://jvn.jp/en/jp/JVN22152812/ -~~	() https://jvn.jp/en/jp/JVN22152812/ - Third Party Advisory
References	~~() https://openlitespeed.org/ -~~	() https://openlitespeed.org/ - Product
References	~~() https://www.litespeedtech.com/products/litespeed-web-server -~~	() https://www.litespeedtech.com/products/litespeed-web-server - Product

16 Mar 2026, 14:19

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-16 14:19

Updated : 2026-06-17 10:33

NVD link : CVE-2026-31386

Mitre link : CVE-2026-31386

CVE.ORG link : CVE-2026-31386

JSON object : View

Products Affected

litespeedtech

litespeed_web_server
openlitespeed

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

{"id": "CVE-2026-31386", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-31386", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-03-16T15:28:55.405089Z"}}], "cvssMetricV30": [{"type": "Secondary", "source": "vultures@jpcert.or.jp", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}], "cvssMetricV40": [{"type": "Secondary", "source": "vultures@jpcert.or.jp", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.6, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "vultures@jpcert.or.jp", "affectedData": [{"vendor": "LiteSpeed Technologies", "product": "OpenLiteSpeed", "versions": [{"status": "affected", "version": "all versions"}]}, {"vendor": "LiteSpeed Technologies", "product": "LSWS Enterprise", "versions": [{"status": "affected", "version": "all versions"}]}]}], "published": "2026-03-16T14:19:33.170", "references": [{"url": "https://jvn.jp/en/jp/JVN22152812/", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://openlitespeed.org/", "tags": ["Product"], "source": "vultures@jpcert.or.jp"}, {"url": "https://www.litespeedtech.com/products/litespeed-web-server", "tags": ["Product"], "source": "vultures@jpcert.or.jp"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "vultures@jpcert.or.jp", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "OpenLiteSpeed y LSWS Enterprise proporcionados por LiteSpeed Technologies contienen una vulnerabilidad de inyecci\u00f3n de comandos del sistema operativo. Un comando arbitrario del sistema operativo puede ser ejecutado por un atacante con privilegios administrativos."}], "lastModified": "2026-06-17T10:33:36.717", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:litespeedtech:litespeed_web_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "ABF7A1D1-3E17-49C5-81B2-8229E67B80F2", "versionEndExcluding": "6.3.5"}, {"criteria": "cpe:2.3:a:litespeedtech:openlitespeed:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7359C0A2-D90D-4062-89F6-DE4EAE5DF2A2", "versionEndIncluding": "1.9.0"}], "operator": "OR"}]}], "sourceIdentifier": "vultures@jpcert.or.jp"}