CVE-2025-1412: Github.com/mattermost/mattermost/server/v8 Mattermost Fails To Invalidate All Vulnerability

LOW
Advisory Identifier: GHSA-rhvr-6w8c-6v7w
CVSS 3.1
CWE-384
Published
Advisory Summary

CVE-2025-1412 is a LOW (CVSS 3.1) mattermost fails to invalidate all vulnerability (CWE-384: Session Fixation) affecting Github.com/mattermost/mattermost/server/v8 libraries in the Go ecosystem. The issue involves mattermost fails to invalidate all active sessions when converting a user to a bot. Remediation is available by upgrading affected packages to version 8.0.0-20241217145510-faa7e4f2ea0c, 10.4.2, 9.11.7.

CVE-2025-1412 at a Glance

CVE Identifier CVE-2025-1412
GHSA Identifier GHSA-rhvr-6w8c-6v7w
Severity LOW
CVSS v3.1 Base Score 3.1
CWE Classification CWE-384: Session Fixation
Affected Product Github.com/mattermost/mattermost/server/v8
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:L/I:N/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 Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2025-1412

To remediate this vulnerability, upgrade all affected Github.com/mattermost/mattermost/server/v8 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/server/v8 fixed: 8.0.0-20241217145510-faa7e4f2ea0c
Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20241217145510-faa7e4f2ea0c
github.com/mattermost/mattermost/server/v8 fixed: 10.4.2
Upgrade github.com/mattermost/mattermost/server/v8 to 10.4.2
github.com/mattermost/mattermost/server/v8 fixed: 9.11.7
Upgrade github.com/mattermost/mattermost/server/v8 to 9.11.7
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/server/v8

How to Check if You Are Affected

To determine whether your application is affected by CVE-2025-1412, inspect your project dependencies for Github.com/mattermost/mattermost/server/v8:

inspect dependencies for github.com/mattermost/mattermost/server/v8

Analyze the terminal output to locate any version of Github.com/mattermost/mattermost/server/v8 in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 8.0.0-20241217145510-faa7e4f2ea0c), 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-384: Session Fixation, where authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions. In Github.com/mattermost/mattermost/server/v8, 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 9.11.x <= 9.11.6, 10.4.x <= 10.4.1 fail to invalidate all active sessions when converting a user to a bot, with allows the converted user to escalate their privileges depending on the permissions granted to the bot.

CVE-2025-1412 Affected Github.com/mattermost/mattermost/server/v8 Versions

3 component(s)
Fixed Versions:
8.0.0-20241217145510-faa7e4f2ea0c10.4.29.11.7
Product / Package Ecosystem Affected Versions Fixed Version
github.com/mattermost/mattermost/server/v8
Go
< 8.0.0-20241217145510-faa7e4f2ea0c
8.0.0-20241217145510-faa7e4f2ea0c
github.com/mattermost/mattermost/server/v8
Go
≥ 10.4.0-rc1
< 10.4.2
10.4.2
github.com/mattermost/mattermost/server/v8
Go
≥ 9.11.0-rc1
< 9.11.7
9.11.7

References

Frequently Asked Questions

What is CVE-2025-1412?
CVE-2025-1412 is a security vulnerability in Github.com/mattermost/mattermost/server/v8 involving Mattermost fails to invalidate all active sessions when converting a user to a bot under CWE-384: Session Fixation.
Which Github.com/mattermost/mattermost/server/v8 versions are affected?
Affected versions include releases prior to 8.0.0-20241217145510-faa7e4f2ea0c, 10.4.2, 9.11.7 across affected packages: github.com/mattermost/mattermost/server/v8.
What version fixes CVE-2025-1412?
Upgrading to 8.0.0-20241217145510-faa7e4f2ea0c, 10.4.2, 9.11.7 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/mattermost/mattermost/server/v8 affected?
Yes, github.com/mattermost/mattermost/server/v8 is affected in releases prior to 8.0.0-20241217145510-faa7e4f2ea0c, 10.4.2, 9.11.7. Upgrade your dependency to 8.0.0-20241217145510-faa7e4f2ea0c, 10.4.2, 9.11.7 or later.
What is the CVSS score of CVE-2025-1412?
CVE-2025-1412 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:L/I:N/A:N.
What CWE is associated with CVE-2025-1412?
CVE-2025-1412 is classified under CWE-384: Session Fixation (Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.).
How can I check Go dependencies for CVE-2025-1412?
Run the dependency tree command: 'inspect dependencies for github.com/mattermost/mattermost/server/v8'. 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
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-rhvr-6w8c-6v7w",
  "modified" : "2025-02-24T18:28:24Z",
  "published" : "2025-02-24T09:35:45Z",
  "aliases" : [ "CVE-2025-1412" ],
  "summary" : "Mattermost fails to invalidate all active sessions when converting a user to a bot",
  "details" : "Mattermost versions 9.11.x <= 9.11.6, 10.4.x <= 10.4.1 fail to invalidate all active sessions when converting a user to a bot, with allows the converted user to escalate their privileges depending on the permissions granted to the bot.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/mattermost/mattermost/server/v8"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "8.0.0-20241217145510-faa7e4f2ea0c"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/mattermost/mattermost/server/v8"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "10.4.0-rc1"
      }, {
        "fixed" : "10.4.2"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/mattermost/mattermost/server/v8"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "9.11.0-rc1"
      }, {
        "fixed" : "9.11.7"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-1412"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/mattermost/mattermost/commit/faa7e4f2ea0cca2fd2aba271912b9fc3be788842"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/mattermost/mattermost"
  }, {
    "type" : "WEB",
    "url" : "https://mattermost.com/security-updates"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-384" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-02-24T18:28:24Z",
    "nvd_published_at" : "2025-02-24T08:15:09Z"
  }
}