CVE-2026-55425 Graylog: System Catalog titles endpoint can be used to retrieve values of protected database fields

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-2026-67856

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...

CVE-2026-55425

Graylog (free and open log management platform) has an authorization flaw in the System Catalog entity titles endpoint (EntityTitleServiceImpl.java). An authenticated user can request composite display fields without the server verifying that every selected field is readable, allowing retrieval o...

CVE-2026-55425 Graylog: System Catalog titles endpoint can be used to retrieve values of protected database fields

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...

CVE-2026-55425 Graylog: System Catalog titles endpoint can be used to retrieve values of protected database fields

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...

CVE-2026-55425: Exposure of Sensitive Information Due to Incompatible Policies

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...

CVE-2026-55841: Improper Neutralization of Special Elements

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...

PT-2026-83241

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...

PT-2026-83347

Name of the Vulnerable Software and Affected Versions Graylog Server versions prior to 6.3.12 Graylog Server versions prior to 7.0.7 Graylog Server versions prior to 7.1.2 Graylog Forwarder versions prior to 7.3 Description The FortiGate key-value syslog parser mishandles field-like text inside...

PT-2026-83350

Name of the Vulnerable Software and Affected Versions Graylog versions prior to 6.3.12 Graylog versions prior to 7.0.7 Graylog versions prior to 7.1.2 Description An insecure direct object reference IDOR exists in the token revocation process. An authenticated user can delete access tokens...

CVE-2026-55867: Authorization Bypass Through User-Controlled Key

Graylog is a free and open log management platform. From 6.2.0 until 6.3.12, 7.0.7, and 7.1.2, the DELETE /users/userId/tokens/idOrToken endpoint implemented by UsersResource.revokeToken in graylog2-server/src/main/java/org/graylog2/rest/resources/users/UsersResource.java checks USERSTOKENREMOVE...

Missing Authorization

Overview org.graylog2:graylog2-server is a log management platform. Affected versions of this package are vulnerable to Missing Authorization via the duplicate handler in EventDefinitionsResource for the POST /events/definitions/definitionId/duplicate endpoint. An attacker can clone any event...

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...

Exploit for Uncontrolled Resource Consumption in Github Cmark-Gfm

graylog-cve-2023-24824-exploit Proof-of-...

Exploit for Improper Access Control in Graylog

Exploiting Arbitrary Class Loading on the JVM This repository...

CVE-2026-1439

Reflected Cross-Site Scripting XSS vulnerability in the Graylog Web Interface console, version 2.2.3, caused by a lack of proper sanitization and escaping in HTML output. Several endpoints include segments of the URL directly in the response without applying output encoding, allowing an attacker ...

CVE-2026-1440

Reflected Cross-Site Scripting XSS vulnerability in the Graylog Web Interface console, version 2.2.3, caused by a lack of proper sanitization and escaping in HTML output. Several endpoints include segments of the URL directly in the response without applying output encoding, allowing an attacker ...

CVE-2026-1437

Reflected Cross-Site Scripting XSS vulnerability in the Graylog Web Interface console, version 2.2.3, caused by a lack of proper sanitization and escaping in HTML output. Several endpoints include segments of the URL directly in the response without applying output encoding, allowing an attacker ...

CVE-2026-1438

Reflected Cross-Site Scripting XSS vulnerability in the Graylog Web Interface console, version 2.2.3, caused by a lack of proper sanitization and escaping in HTML output. Several endpoints include segments of the URL directly in the response without applying output encoding, allowing an attacker ...