Logstash
Vendor:
First CVE: Jul 22, 2014 · Active for 12 years
14
Total CVEs
More Total CVEs than 91% of tracked products
1.6
Avg CVEs / Year
Higher CVE frequency than 59% of tracked products
7.1
Avg CVSS
Higher Avg CVSS than 42% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Logstash over time
Volume of CVEsAvg CVSS Base Score
First CVE
Jul 22, 2014
12 years ago
Most Recent CVE
Apr 8, 2026
108 days ago
CVE Severity & Scoring
Logstash14 CVEs
36%
43%
14%
All CVEs352,708 CVEs
45%
40%
11%
LowMediumHighCritical
Attack Vector
Local1 (7.1%)
Network11 (78.6%)
Unknown2 (14.3%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low9 (64.3%)
High3 (21.4%)
Unknown2 (14.3%)
User Interaction
None12 (85.7%)
Unknown2 (14.3%)
Required0 (0.0%)
Privileges Required
Low2 (14.3%)
High0 (0.0%)
None10 (71.4%)
Unknown2 (14.3%)
Top CVEs
Signals from CVEs in this product scope (14 CVEs).
14 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-33466CRITICAL Improper Limitation of a Pathname to a Restricted Directory (CWE-22) in Logstash can lead to arbitrary file write and potentially remote code execution via Relative Path Traversal | Apr 8, 2026 | 9.8 | 36 | NO | NO |
CVE-2019-7612CRITICAL A sensitive data disclosure flaw was found in the way Logstash versions before 5.6.15 and 6.6.1 logs malformed URLs. If a malformed URL is specified as part of the Logstash configu | Mar 25, 2019 | 9.8 | 31 | NO | NO |
CVE-2019-7620HIGH Logstash versions before 7.4.1 and 6.8.4 contain a denial of service flaw in the Logstash Beats input plugin. An unauthenticated user who is able to connect to the port the Logstas | Oct 30, 2019 | 7.5 | 24 | NO | NO |
CVE-2016-10363HIGH Logstash versions prior to 2.3.3, when using the Netflow Codec plugin, a remote attacker crafting malicious Netflow v5, Netflow v9 or IPFIX packets could perform a denial of servic | Jun 16, 2017 | 7.5 | 23 | NO | NO |
CVE-2016-1000222HIGH Logstash prior to version 2.1.2, the CSV output can be attacked via engineered input that will create malicious formulas in the CSV data. | Jun 16, 2017 | 7.5 | 23 | NO | NO |
CVE-2016-1000221HIGH Logstash prior to version 2.3.4, Elasticsearch Output plugin would log to file HTTP authorization headers which could contain sensitive information. | Jun 16, 2017 | 7.5 | 23 | NO | NO |
CVE-2018-3817MEDIUM When logging warnings regarding deprecated settings, Logstash before 5.6.6 and 6.x before 6.1.2 could inadvertently log sensitive information. | Mar 30, 2018 | 6.5 | 22 | NO | NO |
CVE-2025-37730MEDIUM Improper certificate validation in Logstash's TCP output could lead to a man-in-the-middle (MitM) attack in “client” mode, as hostname verification in TCP output was not being perf | May 6, 2025 | 6.5 | 20 | NO | NO |
CVE-2015-5378HIGH Logstash 1.5.x before 1.5.3 and 1.4.x before 1.4.4 allows remote attackers to read communications between Logstash Forwarder agent and Logstash server. | Jun 27, 2017 | 7.5 | 20 | NO | NO |
CVE-2014-4326HIGH Elasticsearch Logstash 1.0.14 through 1.4.x before 1.4.2 allows remote attackers to execute arbitrary commands via a crafted event in (1) zabbix.rb or (2) nagios_nsca.rb in outputs | Jul 22, 2014 | 7.5 | 20 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (14 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 (14 CVEs).
Media Mentions
Signals from CVEs in this product scope (14 CVEs).
Top CNAs Publishing CVEs For Logstash
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 7.12.1 | 1 | 5.5 | 0.3% | 0 | 0 |
| 1.4.2 | 2 | 6.7 | 1.8% | 0 | 0 |
| 1.4.1 | 3 | 7.0 | 2.3% | 0 | 0 |
| 1.4.0 | 3 | 7.0 | 2.3% | 0 | 0 |
| 1.3.3 | 1 | 7.5 | 3.3% | 0 | 0 |
| 1.3.2 | 1 | 7.5 | 3.3% | 0 | 0 |
| 1.3.1 | 1 | 7.5 | 3.3% | 0 | 0 |
| 1.3.0 | 1 | 7.5 | 3.3% | 0 | 0 |
| 1.2.2 | 1 | 7.5 | 3.3% | 0 | 0 |
| 1.2.1 | 1 | 7.5 | 3.3% | 0 | 0 |
| 1.1.9 | 1 | 7.5 | 3.3% | 0 | 0 |
| 1.1.8 | 1 | 7.5 | 3.3% | 0 | 0 |
| 1.1.7 | 1 | 7.5 | 3.3% | 0 | 0 |
| 1.1.6 | 1 | 7.5 | 3.3% | 0 | 0 |
| 1.1.5 | 1 | 7.5 | 3.3% | 0 | 0 |
| 1.1.4 | 1 | 7.5 | 3.3% | 0 | 0 |
| 1.1.3 | 1 | 7.5 | 3.3% | 0 | 0 |
| 1.1.2 | 1 | 7.5 | 3.3% | 0 | 0 |
| 1.1.13 | 1 | 7.5 | 3.3% | 0 | 0 |
| 1.1.12 | 1 | 7.5 | 3.3% | 0 | 0 |