LiteSpeed Technologies OpenLiteSpeed up to 1.9.2 Autoupdate admin/misc/lsup.sh privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.56-

Summaryinfo

A vulnerability classified as very critical has been found in LiteSpeed Technologies OpenLiteSpeed up to 1.9.2. This vulnerability affects unknown code of the file admin/misc/lsup.sh of the component Autoupdate. This manipulation causes privileges management. This vulnerability is handled as CVE-2026-104474. It is possible to launch the attack on the local host. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in LiteSpeed Technologies OpenLiteSpeed up to 1.9.2. It has been declared as very critical. Affected by this vulnerability is some unknown processing of the file admin/misc/lsup.sh of the component Autoupdate. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

OpenLiteSpeed before 1.9.3 contains a local privilege escalation vulnerability in admin/misc/lsup.sh that runs unverified update packages from a nobody-writable directory as root. Attackers controlling the nobody web process can replace the package in /usr/local/lsws/autoupdate/ before extraction, so its install.sh runs as root on the next update.

It is possible to read the advisory at openlitespeed.org. This vulnerability is known as CVE-2026-104474 since 10/02/2026. The exploitation appears to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/03/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 1.9.3 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.7
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenLiteSpeed 1.9.3

Timelineinfo

10/02/2026 CVE reserved
10/02/2026 +0 days VulDB entry created
10/03/2026 +0 days Advisory disclosed
10/03/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: openlitespeed.org
Status: Confirmed

CVE: CVE-2026-104474 (🔒)
GCVE (CVE): GCVE-0-2026-104474
GCVE (VulDB): GCVE-100-413251

Entryinfo

Created: 10/03/2026 01:47
Changes: 10/03/2026 01:47 (76)
Complete: 🔍
Cache ID: 216::103

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