LO
Product
Logstash
by Elastic · last CVE Apr 8, 2026
13
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 2High 5Medium 3Low 1
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-33466
9.8
1%
Apr 8
Improper Limitation of a Pathname to a Restricted Directory in Logstash Leading to Arbitrary File Write
Affected: 8.0.0 through 8.19.13
CVE-2019-7612
9.8
2%
Mar 25
A sensitive data disclosure flaw was found in the way Logstash versions before 5.6.15 and 6.6.1 logs malformed URLs
Affected: before 5.6.15; 6.0.0 before 6.6.1
CVE-2019-7620
7.5
2%
Oct 30
Logstash versions before 7.4.1 and 6.8.4 contain a denial of service flaw in the Logstash Beats input plugin
Affected: 6.0.0 before 6.8.4; 7.0.0 before 7.4.1
CVE-2015-5378
7.5
2%
Jun 27
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
Affected: 1.4.0; 1.4.1; 1.4.2
CVE-2016-10363
7.5
2%
Jun 16
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…
Affected: through 2.3.2
CVE-2016-1000222
7.5
1%
Jun 16
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
Affected: through 2.1.1
CVE-2016-1000221
7.5
2%
Jun 16
Logstash prior to version 2.3.4, Elasticsearch Output plugin would log to file HTTP authorization headers which could contain sensitive information
Affected: through 2.3.3
CVE-2018-3817
6.5
1%
Mar 30
When logging warnings regarding deprecated settings, Logstash before 5.6.6 and 6.x before 6.1.2 could inadvertently log sensitive information
Affected: before 5.6.6; 6.0.0 before 6.1.2
CVE-2015-5619
5.9
1%
Aug 9
Logstash 1.4.x before 1.4.5 and 1.5.x before 1.5.4 with Lumberjack output or the Logstash forwarder does not validate SSL/TLS certificates from the Logstash server, which might…
Affected: 1.4.0; 1.4.1; 1.4.2
CVE-2023-46672
5.5
0%
Nov 15
An issue was identified by Elastic whereby sensitive information is recorded in Logstash logs under specific circumstances
Affected: 8.10.0 before 8.11.1; 7.12.1
CVE-2021-22138
3.7
0%
May 13
In Logstash versions after 6.4.0 and before 6.8.15 and 7.12.0 a TLS certificate validation flaw was found in the monitoring feature
Affected: 6.4.0 before 6.8.15; 7.0.0 before 7.12.0
CVE-2015-4152
–
3%
Jun 15
Directory traversal vulnerability in the file output plugin in Elasticsearch Logstash before 1.4.3 allows remote attackers to write to arbitrary files via vectors related to…
Affected: through 1.4.2
CVE-2014-4326
–
3%
Jul 22
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…
Affected: 1.0.14; 1.0.15; 1.0.16; 1.0.17; 1.1.0; 1.1.0.1; +21 more
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