Product
14 published CVES affecting litespeedtech/openlitespeed, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
Newest publication first
OpenLiteSpeed through 1.9.4 contains an authentication bypass vulnerability that allows unauthenticated remote attackers to evade virtual host client certificate requirements over HTTP/3. Because QuicStream inherits a verifyContext() implementation that always returns true, attac...
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/...
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.
LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak.
OpenLiteSpeed before 1.8.1 mishandles chunked encoding.
LiteSpeed OpenLiteSpeed before 1.7.18 does not strictly validate HTTP request headers.
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.
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.
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
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.
The WebAdmin Console in OpenLiteSpeed before v1.6.5 does not strictly check request URLs, as demonstrated by the "Server Configuration > External App" screen.
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 ../...
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 "byt...
Use-after-free vulnerability in Open Litespeed before 1.3.10.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.