CVE-2026-69190: Graylog Manager-to-Owner Privilege Escalation On Saved Vulnerability

MODERATE
Advisory Identifier: GHSA-m9c2-85gv-8xr5
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CVSS 6.3
CWE-639 CWE-862
Published
Advisory Summary

CVE-2026-69190 is a MODERATE (CVSS 6.3) manager-to-owner privilege escalation on saved vulnerability (CWE-639: Authorization Bypass Through User-Controlled Key) affecting Graylog libraries in the Maven ecosystem. The issue involves manager-to-owner privilege escalation on saved searches and dashboards. Remediation is available by upgrading affected packages to version 6.3.14, 7.0.9, 7.1.4.

CVE-2026-69190 at a Glance

CVE Identifier CVE-2026-69190
GHSA Identifier GHSA-m9c2-85gv-8xr5
Severity MODERATE
CVSS v3.1 Base Score 6.3
CWE Classification CWE-639: Authorization Bypass Through User-Controlled Key
Affected Product Graylog
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 6.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability Low (A:L)

How to Fix CVE-2026-69190

To remediate this vulnerability, upgrade all affected Graylog dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

org.graylog2:graylog2-server fixed: 6.3.14 
<dependency>
    <groupId>org.graylog2</groupId>
    <artifactId>graylog2-server</artifactId>
    <version>6.3.14</version>
</dependency>
org.graylog2:graylog2-server fixed: 7.0.9 
<dependency>
    <groupId>org.graylog2</groupId>
    <artifactId>graylog2-server</artifactId>
    <version>7.0.9</version>
</dependency>
org.graylog2:graylog2-server fixed: 7.1.4 
<dependency>
    <groupId>org.graylog2</groupId>
    <artifactId>graylog2-server</artifactId>
    <version>7.1.4</version>
</dependency>
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

mvn dependency:tree -Dincludes=org.graylog2

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2026-69190, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree -Dincludes=org.graylog2

Analyze the terminal output to locate any version of Graylog in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 6.3.14), your application is affected.

Note: The mvn dependency:tree -Dincludes=org.graylog2 command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-639: Authorization Bypass Through User-Controlled Key, where the system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. In Graylog, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Impact A vulnerability was found in Graylog's API endpoint for updating saved searches and dashboards. A user with edit permissions on a dashboard or saved search could grant owner permissions to an arbitrary account, which could then be used to delete the respective saved search or dashboard or to remove the original owner's access. ### Patches This issue has been patched in the following Graylog versions: `6.3.14`, `7.0.9`, `7.1.4`. Affected users should upgrade to one of these versions or above to remediate the vulnerability. Graylog Cloud has already been patched. ### Workaround There is no known workaround. Upgrading to a patched version is recommended. ### Credits Thanks to [Jan Kahmen](https://github.com/kah-ja), [turingpoint](https://www.turingpoint.de) for reporting.

CVE-2026-69190 Affected Graylog Versions

3 component(s)
Fixed Versions:
6.3.147.0.97.1.4
Product / Package Ecosystem Affected Versions Fixed Version
org.graylog2:graylog2-server
maven/org.graylog2/graylog2-server
Maven
≥ 6.3.0
< 6.3.14
6.3.14
org.graylog2:graylog2-server
maven/org.graylog2/graylog2-server
Maven
≥ 7.0.0
< 7.0.9
7.0.9
org.graylog2:graylog2-server
maven/org.graylog2/graylog2-server
Maven
≥ 7.1.0
< 7.1.4
7.1.4

References

GitHub Advisory / Wiki ADVISORY
https://github.com/Graylog2/graylog2-server/security/advisories/GHSA-m9c2-85gv-8xr5
NVD — CVE-2026-69190 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-69190
Graylog Source Repository REPOSITORY
https://github.com/Graylog2/graylog2-server/pull/26344
Security Fix Commit FIX COMMIT
https://github.com/Graylog2/graylog2-server/commit/9303f395dd29c03abd8885f1c7d1c90f8aae72d4
Security Fix Commit FIX COMMIT
https://github.com/Graylog2/graylog2-server/commit/ac1c0b19e3f44c2eed8e95f4d398ba455e30a8f2
Security Fix Commit FIX COMMIT
https://github.com/Graylog2/graylog2-server/commit/c87879642537d07760a572ba01b76cb657582608
Security Fix Commit FIX COMMIT
https://github.com/Graylog2/graylog2-server/commit/e98c6670d05748a9749ab0646be7f40561734b42
Graylog Source Repository REPOSITORY
https://github.com/Graylog2/graylog2-server
Graylog Release RELEASE
https://github.com/Graylog2/graylog2-server/releases/tag/6.3.14
Graylog Release RELEASE
https://github.com/Graylog2/graylog2-server/releases/tag/7.0.9
Graylog Release RELEASE
https://github.com/Graylog2/graylog2-server/releases/tag/7.1.4

Frequently Asked Questions

What is CVE-2026-69190?
CVE-2026-69190 is a security vulnerability in Graylog involving Manager-to-Owner privilege escalation on saved searches and dashboards under CWE-639: Authorization Bypass Through User-Controlled Key.
Which Graylog versions are affected?
Affected versions include releases prior to 6.3.14, 7.0.9, 7.1.4 across affected packages: org.graylog2:graylog2-server.
What version fixes CVE-2026-69190?
Upgrading to 6.3.14, 7.0.9, 7.1.4 (or the latest patched release for your respective branch) resolves the vulnerability.
Is graylog2-server affected?
Yes, org.graylog2:graylog2-server is affected in releases prior to 6.3.14, 7.0.9, 7.1.4. Upgrade your dependency to 6.3.14, 7.0.9, 7.1.4 or later.
What is the CVSS score of CVE-2026-69190?
CVE-2026-69190 has a CVSS v3.1 base score of 6.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
What CWE is associated with CVE-2026-69190?
CVE-2026-69190 is classified under CWE-639: Authorization Bypass Through User-Controlled Key (The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.).
How can I check Maven dependencies for CVE-2026-69190?
Run the dependency tree command: 'mvn dependency:tree -Dincludes=org.graylog2'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-m9c2-85gv-8xr5",
  "modified" : "2026-09-22T20:34:33Z",
  "published" : "2026-09-22T20:34:33Z",
  "aliases" : [ "CVE-2026-69190" ],
  "summary" : "Graylog: Manager-to-Owner privilege escalation on saved searches and dashboards",
  "details" : "### Impact\n\nA vulnerability was found in Graylog's API endpoint for updating saved searches and dashboards. A user with edit permissions on a dashboard or saved search could grant owner permissions to an arbitrary account, which could then be used to delete the respective saved search or dashboard or to remove the original owner's access. \n\n### Patches\n\nThis issue has been patched in the following Graylog versions: `6.3.14`, `7.0.9`, `7.1.4`. Affected users should upgrade to one of these versions or above to remediate the vulnerability.\n\nGraylog Cloud has already been patched.\n\n### Workaround\n\nThere is no known workaround. Upgrading to a patched version is recommended.\n\n### Credits\n\nThanks to [Jan Kahmen](https://github.com/kah-ja), [turingpoint](https://www.turingpoint.de) for reporting.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.graylog2:graylog2-server"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "6.3.0"
      }, {
        "fixed" : "6.3.14"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.graylog2:graylog2-server"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "7.0.0"
      }, {
        "fixed" : "7.0.9"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.graylog2:graylog2-server"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "7.1.0"
      }, {
        "fixed" : "7.1.4"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/Graylog2/graylog2-server/security/advisories/GHSA-m9c2-85gv-8xr5"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-69190"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/Graylog2/graylog2-server/pull/26344"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/Graylog2/graylog2-server/commit/9303f395dd29c03abd8885f1c7d1c90f8aae72d4"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/Graylog2/graylog2-server/commit/ac1c0b19e3f44c2eed8e95f4d398ba455e30a8f2"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/Graylog2/graylog2-server/commit/c87879642537d07760a572ba01b76cb657582608"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/Graylog2/graylog2-server/commit/e98c6670d05748a9749ab0646be7f40561734b42"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/Graylog2/graylog2-server"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/Graylog2/graylog2-server/releases/tag/6.3.14"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/Graylog2/graylog2-server/releases/tag/7.0.9"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/Graylog2/graylog2-server/releases/tag/7.1.4"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-639", "CWE-862" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-09-22T20:34:33Z",
    "nvd_published_at" : "2026-09-21T18:17:10Z"
  }
}