Openlitespeed
Vendor:
First CVE: Sep 20, 2017 · Active for 8 years
12
Total CVEs
More Total CVEs than 90% of tracked products
1.3
Avg CVEs / Year
Higher CVE frequency than 55% of tracked products
7.5
Avg CVSS
Higher Avg CVSS than 59% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Openlitespeed over time
Volume of CVEsAvg CVSS Base Score
First CVE
Sep 20, 2017
8 years ago
Most Recent CVE
Mar 16, 2026
131 days ago
CVE Severity & Scoring
Openlitespeed12 CVEs
33%
58%
8%
All CVEs352,708 CVEs
45%
40%
11%
MediumHighCritical
Attack Vector
Local1 (8.3%)
Network11 (91.7%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low12 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None12 (100.0%)
Unknown0 (0.0%)
Required0 (0.0%)
Privileges Required
Low4 (33.3%)
High2 (16.7%)
None6 (50.0%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (12 CVEs).
12 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2022-0073HIGH Improper Input Validation vulnerability in LiteSpeed Technologies OpenLiteSpeed Web Server and LiteSpeed Web Server dashboards allows Command Injection. This affects 1.7.0 version | Oct 27, 2022 | 8.8 | 33 | NO | NO |
CVE-2022-0074HIGH Untrusted Search Path vulnerability in LiteSpeed Technologies OpenLiteSpeed Web Server and LiteSpeed Web Server Container allows Privilege Escalation. This affects versions from 1. | Oct 27, 2022 | 8.8 | 30 | NO | NO |
CVE-2025-54939HIGH LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak. | Aug 1, 2025 | 7.5 | 28 | NO | NO |
CVE-2020-5519CRITICAL The WebAdmin Console in OpenLiteSpeed before v1.6.5 does not strictly check request URLs, as demonstrated by the "Server Configuration > External App" screen. | Jan 6, 2020 | 9.8 | 28 | NO | NO |
CVE-2026-31386HIGH 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 | Mar 16, 2026 | 7.2 | 27 | NO | NO |
CVE-2021-26758HIGH 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. | Apr 7, 2021 | 8.8 | 26 | NO | NO |
CVE-2023-40518HIGH LiteSpeed OpenLiteSpeed before 1.7.18 does not strictly validate HTTP request headers. | Aug 14, 2023 | 7.5 | 23 | NO | NO |
CVE-2022-0072MEDIUM Directory Traversal vulnerability in LiteSpeed Technologies OpenLiteSpeed Web Server and LiteSpeed Web Server dashboards allows Path Traversal. This affects versions from 1.5.11 th | Oct 27, 2022 | 5.8 | 22 | NO | NO |
CVE-2018-19792MEDIUM 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 sym | Dec 3, 2018 | 6.7 | 21 | NO | NO |
CVE-2018-19791MEDIUM 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 en | Dec 3, 2018 | 6.5 | 21 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (12 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (12 CVEs).
Media Mentions
Signals from CVEs in this product scope (12 CVEs).
Top CNAs Publishing CVEs For Openlitespeed
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 1.7.8 | 1 | 8.8 | 2.7% | 0 | 0 |
| 1.5.12 | 1 | 5.8 | 1.0% | 0 | 0 |
| 1.5.11 | 1 | 5.8 | 1.0% | 0 | 0 |
| 1.5.0 | 2 | 6.6 | 0.9% | 0 | 0 |