CVE-2025-41423: Github.com/mattermost/mattermost plugin playbooks Mattermost Playbooks fails To Properly Validate Vulnerability

LOW
Advisory Identifier: GHSA-fr22-5377-f3p7
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CVSS 3.1
CWE-863
Published
Advisory Summary

CVE-2025-41423 is a LOW (CVSS 3.1) mattermost playbooks fails to properly validate vulnerability (CWE-863: Incorrect Authorization) affecting Github.com/mattermost/mattermost plugin playbooks libraries in the Go ecosystem. The issue involves mattermost playbooks fails to properly validate permissions. Remediation is available by upgrading affected packages to version 1.41.0, 8.0.0-20250218121836-2b5275d87136.

CVE-2025-41423 at a Glance

CVE Identifier CVE-2025-41423
GHSA Identifier GHSA-fr22-5377-f3p7
Severity LOW
CVSS v3.1 Base Score 3.1
CWE Classification CWE-863: Incorrect Authorization
Affected Product Github.com/mattermost/mattermost plugin playbooks
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 3.1

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

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

How to Fix CVE-2025-41423

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

github.com/mattermost/mattermost-plugin-playbooks fixed: Latest secure release 
Upgrade github.com/mattermost/mattermost-plugin-playbooks to Latest secure release
github.com/mattermost/mattermost-plugin-playbooks fixed: 1.41.0 
Upgrade github.com/mattermost/mattermost-plugin-playbooks to 1.41.0
github.com/mattermost/mattermost/server/v8 fixed: 8.0.0-20250218121836-2b5275d87136 
Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20250218121836-2b5275d87136
github.com/mattermost/mattermost/server/v8 fixed: Latest secure release 
Upgrade github.com/mattermost/mattermost/server/v8 to Latest secure release
github.com/mattermost/mattermost/server/v8 fixed: Latest secure release 
Upgrade github.com/mattermost/mattermost/server/v8 to Latest secure release
github.com/mattermost/mattermost/server/v8 fixed: Latest secure release 
Upgrade github.com/mattermost/mattermost/server/v8 to Latest secure release
Verify Direct and Transitive Dependencies

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

inspect dependencies for github.com/mattermost/mattermost-plugin-playbooks

How to Check if You Are Affected

To determine whether your application is affected by CVE-2025-41423, inspect your project dependencies for Github.com/mattermost/mattermost plugin playbooks:

inspect dependencies for github.com/mattermost/mattermost-plugin-playbooks

Analyze the terminal output to locate any version of Github.com/mattermost/mattermost plugin playbooks in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.41.0), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-863: Incorrect Authorization, where the product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. In Github.com/mattermost/mattermost plugin playbooks, 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

Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to properly validate permissions for the API endpoint /plugins/playbooks/api/v0/signal/keywords/ignore-thread, allowing any user or attacker to delete posts containing actions created by the Playbooks bot, even without channel access or appropriate permissions.

CVE-2025-41423 Affected Github.com/mattermost/mattermost plugin playbooks Versions

6 component(s)
Fixed Versions:
1.41.08.0.0-20250218121836-2b5275d87136
Product / Package Ecosystem Affected Versions Fixed Version
github.com/mattermost/mattermost-plugin-playbooks
golang/github.com/mattermost/mattermost-plugin-playbooks
Go
≥ 2.0.0
github.com/mattermost/mattermost-plugin-playbooks
golang/github.com/mattermost/mattermost-plugin-playbooks
Go
< 1.41.0
1.41.0
github.com/mattermost/mattermost/server/v8
golang/github.com/mattermost/mattermost/server/v8
Go
< 8.0.0-20250218121836-2b5275d87136
8.0.0-20250218121836-2b5275d87136
github.com/mattermost/mattermost/server/v8
golang/github.com/mattermost/mattermost/server/v8
Go
≥ 10.4.0
github.com/mattermost/mattermost/server/v8
golang/github.com/mattermost/mattermost/server/v8
Go
≥ 10.5.0
github.com/mattermost/mattermost/server/v8
golang/github.com/mattermost/mattermost/server/v8
Go
≥ 9.11.0

References

NVD — CVE-2025-41423 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-41423
Security Fix Commit FIX COMMIT
https://github.com/mattermost/mattermost-plugin-playbooks/commit/f9f7064e4d9f3918d66bac1f5f9eb28f0723464b
Security Fix Commit FIX COMMIT
https://github.com/mattermost/mattermost/commit/2b5275d87136f07e016c8eca09a2f004b31afc8a
Github.com/mattermost/mattermost plugin playbooks Source Repository REPOSITORY
https://github.com/mattermost/mattermost-plugin-playbooks
Github.com/mattermost/mattermost plugin playbooks Security Information SECURITY
https://mattermost.com/security-updates

Frequently Asked Questions

What is CVE-2025-41423?
CVE-2025-41423 is a security vulnerability in Github.com/mattermost/mattermost plugin playbooks involving Mattermost Playbooks fails to properly validate permissions under CWE-863: Incorrect Authorization.
Which Github.com/mattermost/mattermost plugin playbooks versions are affected?
Affected versions include releases prior to 1.41.0, 8.0.0-20250218121836-2b5275d87136 across affected packages: github.com/mattermost/mattermost-plugin-playbooks, github.com/mattermost/mattermost/server/v8.
What version fixes CVE-2025-41423?
Upgrading to 1.41.0, 8.0.0-20250218121836-2b5275d87136 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/mattermost/mattermost-plugin-playbooks affected?
Yes, github.com/mattermost/mattermost-plugin-playbooks is affected in releases prior to Latest secure release, 1.41.0. Upgrade your dependency to Latest secure release, 1.41.0 or later.
Is github.com/mattermost/mattermost/server/v8 affected?
Yes, github.com/mattermost/mattermost/server/v8 is affected in releases prior to 8.0.0-20250218121836-2b5275d87136, Latest secure release. Upgrade your dependency to 8.0.0-20250218121836-2b5275d87136, Latest secure release or later.
What is the CVSS score of CVE-2025-41423?
CVE-2025-41423 has a CVSS v3.1 base score of 3.1 (LOW) with vector string CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N.
What CWE is associated with CVE-2025-41423?
CVE-2025-41423 is classified under CWE-863: Incorrect Authorization (The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.).
How can I check Go dependencies for CVE-2025-41423?
Run the dependency tree command: 'inspect dependencies for github.com/mattermost/mattermost-plugin-playbooks'. 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-fr22-5377-f3p7",
  "modified" : "2025-04-24T16:09:31Z",
  "published" : "2025-04-24T09:30:33Z",
  "aliases" : [ "CVE-2025-41423" ],
  "summary" : "Mattermost Playbooks fails to properly validate permissions",
  "details" : "Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to properly validate permissions for the API endpoint /plugins/playbooks/api/v0/signal/keywords/ignore-thread, allowing any user or attacker to delete posts containing actions created by the Playbooks bot, even without channel access or appropriate permissions.",
  "severity" : [ {
    "type" : "CVSS_V3",
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  } ],
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    },
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    "database_specific" : {
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    }
  }, {
    "package" : {
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    },
    "ranges" : [ {
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    } ],
    "database_specific" : {
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    }
  }, {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/mattermost/mattermost/server/v8"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "9.11.0"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "< 9.11.11"
    }
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-41423"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/mattermost/mattermost-plugin-playbooks/commit/f9f7064e4d9f3918d66bac1f5f9eb28f0723464b"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/mattermost/mattermost/commit/2b5275d87136f07e016c8eca09a2f004b31afc8a"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/mattermost/mattermost-plugin-playbooks"
  }, {
    "type" : "WEB",
    "url" : "https://mattermost.com/security-updates"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-863" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-04-24T16:09:31Z",
    "nvd_published_at" : "2025-04-24T07:15:31Z"
  }
}