本頁列出影響 litespeedtech openlitespeed 的已公開 CVE 漏洞（透過 NVD CPE 關聯）。每列包含嚴重程度評分、摘要與發布日期，便於識別與分析安全議題。
| CVE | 摘要 | 來源 | 最高 CVSS | EPSS % | 公開時間 | 更新時間 |
|---|---|---|---|---|---|---|
| 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. | [email protected] | 8.6 | 1.51% | 2026-03-16 | 2026-06-17 |
| CVE-2021-47855 | Openlitespeed 1.7.9 contains a stored cross-site scripting vulnerability in the dashboard's Notes parameter that allows administrators to inject malicious scripts. Attackers can craft a payload in the Notes field during listener configuration that will execute when an administrator clicks on the Default Icon. | [email protected] | 5.1 | 0.24% | 2026-01-21 | 2026-06-17 |
| CVE-2025-54939 | LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak. | [email protected] | 5.3 | 0.77% | 2025-08-01 | 2026-06-17 |
| CVE-2024-31617 | OpenLiteSpeed before 1.8.1 mishandles chunked encoding. | [email protected] | 5.3 | 0.44% | 2024-05-22 | 2026-06-17 |
| CVE-2023-40518 | LiteSpeed OpenLiteSpeed before 1.7.18 does not strictly validate HTTP request headers. | [email protected] | 7.5 | 0.55% | 2023-08-14 | 2026-06-17 |
| CVE-2022-0074 | 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. | [email protected] | 8.8 | 1.15% | 2022-10-27 | 2026-06-17 |
| CVE-2022-0073 | 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. | [email protected] | 8.8 | 8.66% | 2022-10-27 | 2026-06-17 |
| CVE-2022-0072 | 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 | [email protected] | 5.8 | 0.97% | 2022-10-27 | 2026-06-17 |
| CVE-2021-26758 | 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. | [email protected] | 8.8 | 2.71% | 2021-04-07 | 2026-06-16 |
| CVE-2020-5519 | The WebAdmin Console in OpenLiteSpeed before v1.6.5 does not strictly check request URLs, as demonstrated by the "Server Configuration > External App" screen. | [email protected] | 9.8 | 1.20% | 2020-01-06 | 2026-06-16 |
| CVE-2018-19792 | 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. | [email protected] | 6.7 | 0.43% | 2018-12-03 | 2026-06-16 |
| CVE-2018-19791 | 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. | [email protected] | 6.5 | 1.24% | 2018-12-03 | 2026-06-16 |
| CVE-2015-3890 | Use-after-free vulnerability in Open Litespeed before 1.3.10. | [email protected] | 7.5 | 1.06% | 2017-09-20 | 2026-06-16 |