Logstash

logstash

Vendor: Elastic • 13 CVEs

CVEs (13)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2026-33466 1Elastic 1Logstash Jul 24, 2026 Apr 8, 2026 N/A· v4 9.8 CRITICAL· v3 N/A· v2 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 (CAPEC-139). The archive extraction util...Show more 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 (CAPEC-139). The archive extraction utilities used by Logstash do not properly validate file paths within compressed archives. An attacker who can serve a specially crafted archive to Logstash through a compromised or attacker-controlled update endpoint can write arbitrary files to the host filesystem with the privileges of the Logstash process. In certain configurations where automatic pipeline reloading is enabled, this can be escalated to remote code execution.Show less
CVE-2023-46672 1Elastic 1Logstash Jun 17, 2026 Nov 15, 2023 N/A· v4 5.5 MEDIUM· v3 N/A· v2 An issue was identified by Elastic whereby sensitive information is recorded in Logstash logs under specific circumstances. The prerequisites for the manifestation of this issue are: * Logstash is configured to log...Show more An issue was identified by Elastic whereby sensitive information is recorded in Logstash logs under specific circumstances. The prerequisites for the manifestation of this issue are: * Logstash is configured to log in JSON format https://www.elastic.co/guide/en/logstash/current/running-logstash-command-line.html , which is not the default logging format. * Sensitive data is stored in the Logstash keystore and referenced as a variable in Logstash configuration.Show less
CVE-2021-22138 1Elastic 1Logstash Jun 17, 2026 May 13, 2021 N/A· v4 3.7 LOW· v3 4.3 MEDIUM· v2 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. When specifying a trusted server CA certificate Logstash would not properly verify the...Show more 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. When specifying a trusted server CA certificate Logstash would not properly verify the certificate returned by the monitoring server. This could result in a man in the middle style attack against the Logstash monitoring data.Show less
CVE-2019-7620 1Elastic 1Logstash Jun 17, 2026 Oct 30, 2019 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 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 Logstash beats input could send a specially cra...Show more 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 Logstash beats input could send a specially crafted network packet that would cause Logstash to stop responding.Show less
CVE-2019-7612 2Elastic Netapp 2Active Iq Performance Analytics Services Logstash Jun 17, 2026 Mar 25, 2019 N/A· v4 9.8 CRITICAL· v3 5.0 MEDIUM· v2 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 configuration, the credentials for the URL coul...Show more 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 configuration, the credentials for the URL could be inadvertently logged as part of the error message.Show less
CVE-2018-3817 1Elastic 1Logstash Nov 21, 2024 Mar 30, 2018 N/A· v4 6.5 MEDIUM· v3 4.0 MEDIUM· v2 When logging warnings regarding deprecated settings, Logstash before 5.6.6 and 6.x before 6.1.2 could inadvertently log sensitive information.
CVE-2015-5619 2Elastic Elasticsearch 2Logstash Logstash May 13, 2026 Aug 9, 2017 N/A· v4 5.9 MEDIUM· v3 4.3 MEDIUM· v2 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 allow attackers to obtain sensitive informa...Show more 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 allow attackers to obtain sensitive information via a man-in-the-middle attack.Show less
CVE-2015-5378 2Elastic Elasticsearch 2Logstash Logstash May 13, 2026 Jun 27, 2017 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 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.
CVE-2016-10363 1Elastic 1Logstash May 13, 2026 Jun 16, 2017 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 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 service attack on the Logstash instance. The e...Show more 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 service attack on the Logstash instance. The errors resulting from these crafted inputs are not handled by the codec and can cause the Logstash process to exit.Show less
CVE-2016-1000222 1Elastic 1Logstash May 13, 2026 Jun 16, 2017 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 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.
CVE-2016-1000221 1Elastic 1Logstash May 13, 2026 Jun 16, 2017 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 Logstash prior to version 2.3.4, Elasticsearch Output plugin would log to file HTTP authorization headers which could contain sensitive information.
CVE-2015-4152 1Elastic 1Logstash May 6, 2026 Jun 15, 2015 N/A· v4 N/A· v3 6.4 MEDIUM· v2 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 dynamic field references in the path option.
CVE-2014-4326 1Elastic 1Logstash May 6, 2026 Jul 22, 2014 N/A· v4 N/A· v3 7.5 HIGH· v2 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/.