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openlitespeed

Vendor: litespeedtech

Actively Exploited 0 CISA KEV List
PoC / Exploits 0 Code Available
Total RCEs 2 Remote Access
Total CVEs 28 Total Indexed
Avg. EPSS 0.65% Exploit Prob.
Latest CVE CVE-2025-54939 Aug 01

Security Vulnerability Index

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5.3 CVSS

LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak.

EPSS: 0.55%
5.3 CVSS

OpenLiteSpeed before 1.8.1 mishandles chunked encoding.

EPSS: 0.14%
7.5 CVSS

LiteSpeed OpenLiteSpeed before 1.7.18 does not strictly validate HTTP request headers.

EPSS: 0.19%
8.8 CVSS

Untrusted Search Path vulnerability in LiteSpeed Technologies OpenLiteSpeed Web Server and LiteSpeed Web Server Container allows Privilege Escalation. This affects versions from 1.6.15 before 1.7.16.1.

EPSS: 0.28%
8.8 CVSS

Improper Input Validation vulnerability in LiteSpeed Technologies OpenLiteSpeed Web Server and LiteSpeed Web Server dashboards allows Command Injection. This affects 1.7.0 versions before 1.7.16.1.

EPSS: 0.89%
5.8 CVSS

Directory Traversal vulnerability in LiteSpeed Technologies OpenLiteSpeed Web Server and LiteSpeed Web Server dashboards allows Path Traversal. This affects versions from 1.5.11 through 1.5.12, from 1.6.5 through 1.6.20.1, from 1.7.0 before 1.7.16.1

EPSS: 0.33%
8.8 CVSS

Privilege Escalation in LiteSpeed Technologies OpenLiteSpeed web server version 1.7.8 allows attackers to gain root terminal access and execute commands on the host system.

EPSS: 3.36%
9.8 CVSS

The WebAdmin Console in OpenLiteSpeed before v1.6.5 does not strictly check request URLs, as demonstrated by the "Server Configuration > External App" screen.

EPSS: 0.52%
6.7 CVSS

The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 allows local users to cause a denial of service (buffer overflow) or possibly have unspecified other impact by creating a symlink through which the openlitespeed program can be invoked with a long command name (involving ../ characters), which is mishandled in the LshttpdMain::getServerRootFromExecutablePath function.

EPSS: 0.06%
6.5 CVSS

The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 does not correctly handle requests for byte sequences, allowing an attacker to amplify the response size by requesting the entire response body repeatedly, as demonstrated by an HTTP Range header value beginning with the "bytes=0-,0-" substring.

EPSS: 0.29%