12 matches found
CVE-2026-55841
Graylog is a free and open log management platform. Prior to Graylog Server versions 6.3.12, 7.0.7, and 7.1.2 and Graylog Forwarder version 7.3, the FortiGate key-value syslog parser in graylog2-server/src/main/java/org/graylog2/inputs/codecs/GLFortiGateSyslogEvent.java and...
CVE-2026-55841
Graylog (a free and open log management platform) is affected by a parsing flaw in its FortiGate key-value syslog parser (GLFortiGateSyslogEvent.java and SyslogCodec.java). The root cause is that KV_PATTERN and QUOTED_KV_PATTERN mishandle field-like text inside quoted values: crafted values conta...
Graylog Server: System Catalog titles endpoint can be used to retrieve values of protected database fields
Impact A vulnerability was found in Graylog's API endpoint for retrieving system catalog entity titles. Authenticated users could retrieve database fields of supported entities by sending a custom API request. These fields can include e.g. the password hash of a user but not the password itself,...
GHSA-Q79R-R9XG-R863 Graylog Server: System Catalog titles endpoint can be used to retrieve values of protected database fields
Impact A vulnerability was found in Graylog's API endpoint for retrieving system catalog entity titles. Authenticated users could retrieve database fields of supported entities by sending a custom API request. These fields can include e.g. the password hash of a user but not the password itself,...
EUVD-2026-67856
Graylog is a free and open log management platform. From 7.1.0 until 7.1.4 and 7.2.0-alpha.2, the System Catalog entity titles endpoint in graylog2-server/src/main/java/org/graylog2/rest/resources/system/contentpacks/titles/EntityTitleServiceImpl.java allows an authenticated user to request...
EUVD-2026-47743
Graylog2 Server before commit 46a2eeb contains a missing per-entity permission check in the POST /events/definitions/definitionId/duplicate endpoint that allows authenticated users to clone any event definition. Attackers with the low-privilege eventdefinitions:create capability can read private...
CVE-2026-65011 Graylog2 Server Missing Permission Check on Event Definition Duplicate
Graylog2 Server before commit 46a2eeb contains a missing per-entity permission check in the POST /events/definitions/definitionId/duplicate endpoint that allows authenticated users to clone any event definition. Attackers with the low-privilege eventdefinitions:create capability can read private...
Improper Authorization
Overview org.graylog2:graylog2-server is a log management platform. Affected versions of this package are vulnerable to Improper Authorization via an incorrect permission check in the token creation process. An attacker can gain elevated privileges by crafting requests to the REST API and creatin...
Cross-site Scripting (XSS)
Overview org.graylog2:graylog2-server is a log management platform. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the Event Definition Remediation Step field. An attacker can obtain user session cookies by submitting an HTML form. Note: This is only exploitable ...
Cross-site Scripting (XSS)
Overview org.graylog2:graylog2-server is a log management platform. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the plugins and API Browser. An attacker with the FILESCREATE permission can upload and execute arbitrary Javascript, leading to unauthorized action...
Authentication Bypass Using an Alternate Path or Channel
Overview org.graylog2:graylog2-server is a log management platform. Affected versions of this package are vulnerable to Authentication Bypass Using an Alternate Path or Channel in the channelRead0 function. An attacker can bypass authentication by sending HTTP requests without required...