CVE-2025-47700: Github.com/mattermost/mattermost server Mattermost Server SSRF Vulnerability Vulnerability

LOW
Advisory Identifier: GHSA-vqwh-5jhh-vc9p
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CVSS 3.5
CWE-918
Published
Advisory Summary

CVE-2025-47700 is a LOW (CVSS 3.5) mattermost server ssrf vulnerability vulnerability (CWE-918: Server-Side Request Forgery (SSRF)) affecting Github.com/mattermost/mattermost server libraries in the Go ecosystem. The issue involves mattermost server ssrf vulnerability via the agents plugin. Remediation is available by upgrading affected packages to version 10.5.10, 8.0.0-20250814075248-83a37a861d3c.

CVE-2025-47700 at a Glance

CVE Identifier CVE-2025-47700
GHSA Identifier GHSA-vqwh-5jhh-vc9p
Severity LOW
CVSS v3.1 Base Score 3.5
CWE Classification CWE-918: Server-Side Request Forgery (SSRF)
Affected Product Github.com/mattermost/mattermost server
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 3.5

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:R/S:U/C:N/I:L/A:N).

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

How to Fix CVE-2025-47700

To remediate this vulnerability, upgrade all affected Github.com/mattermost/mattermost server 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 fixed: 10.5.10 
Upgrade github.com/mattermost/mattermost-server to 10.5.10
github.com/mattermost/mattermost/server/v8 fixed: 8.0.0-20250814075248-83a37a861d3c 
Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20250814075248-83a37a861d3c
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

How to Check if You Are Affected

To determine whether your application is affected by CVE-2025-47700, inspect your project dependencies for Github.com/mattermost/mattermost server:

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

Analyze the terminal output to locate any version of Github.com/mattermost/mattermost server in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 10.5.10), 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-918: Server-Side Request Forgery (SSRF), where the web server receives a url or similar request from an upstream component and retrieves the contents of this url, but it does not sufficiently ensure that the request is being sent to the expected destination. In Github.com/mattermost/mattermost server, 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 Server versions 10.5.x <= 10.5.9 utilizing the Agents plugin fail to reject empty request bodies which allows users to trick users into clicking malicious links via post actions

CVE-2025-47700 Affected Github.com/mattermost/mattermost server Versions

2 component(s)
Fixed Versions:
10.5.108.0.0-20250814075248-83a37a861d3c
Product / Package Ecosystem Affected Versions Fixed Version
github.com/mattermost/mattermost-server
golang/github.com/mattermost/mattermost-server
Go
≥ 10.5.0
< 10.5.10
10.5.10
github.com/mattermost/mattermost/server/v8
golang/github.com/mattermost/mattermost/server/v8
Go
< 8.0.0-20250814075248-83a37a861d3c
8.0.0-20250814075248-83a37a861d3c

References

NVD — CVE-2025-47700 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-47700
Github.com/mattermost/mattermost server Source Repository REPOSITORY
https://github.com/mattermost/mattermost
Github.com/mattermost/mattermost server Security Information SECURITY
https://mattermost.com/security-updates
pkg.go.dev/vuln/go-2025-3906 WEB
https://pkg.go.dev/vuln/GO-2025-3906

Frequently Asked Questions

What is CVE-2025-47700?
CVE-2025-47700 is a security vulnerability in Github.com/mattermost/mattermost server involving Mattermost Server SSRF Vulnerability via the Agents Plugin under CWE-918: Server-Side Request Forgery (SSRF).
Which Github.com/mattermost/mattermost server versions are affected?
Affected versions include releases prior to 10.5.10, 8.0.0-20250814075248-83a37a861d3c across affected packages: github.com/mattermost/mattermost-server, github.com/mattermost/mattermost/server/v8.
What version fixes CVE-2025-47700?
Upgrading to 10.5.10, 8.0.0-20250814075248-83a37a861d3c (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/mattermost/mattermost-server affected?
Yes, github.com/mattermost/mattermost-server is affected in releases prior to 10.5.10. Upgrade your dependency to 10.5.10 or later.
Is github.com/mattermost/mattermost/server/v8 affected?
Yes, github.com/mattermost/mattermost/server/v8 is affected in releases prior to 8.0.0-20250814075248-83a37a861d3c. Upgrade your dependency to 8.0.0-20250814075248-83a37a861d3c or later.
What is the CVSS score of CVE-2025-47700?
CVE-2025-47700 has a CVSS v3.1 base score of 3.5 (LOW) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
What CWE is associated with CVE-2025-47700?
CVE-2025-47700 is classified under CWE-918: Server-Side Request Forgery (SSRF) (The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.).
How can I check Go dependencies for CVE-2025-47700?
Run the dependency tree command: 'inspect dependencies for github.com/mattermost/mattermost-server'. 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-vqwh-5jhh-vc9p",
  "modified" : "2025-08-29T20:52:24Z",
  "published" : "2025-08-21T09:30:21Z",
  "aliases" : [ "CVE-2025-47700" ],
  "summary" : "Mattermost Server SSRF Vulnerability via the Agents Plugin",
  "details" : "Mattermost Server versions 10.5.x <= 10.5.9 utilizing the Agents plugin fail to reject empty request bodies which allows users to trick users into clicking malicious links via post actions",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/mattermost/mattermost-server"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "10.5.0"
      }, {
        "fixed" : "10.5.10"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 10.5.9"
    }
  }, {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/mattermost/mattermost/server/v8"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "8.0.0-20250814075248-83a37a861d3c"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-47700"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/mattermost/mattermost"
  }, {
    "type" : "WEB",
    "url" : "https://mattermost.com/security-updates"
  }, {
    "type" : "WEB",
    "url" : "https://pkg.go.dev/vuln/GO-2025-3906"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-918" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-08-21T16:02:16Z",
    "nvd_published_at" : "2025-08-21T08:15:29Z"
  }
}