CVE-2025-47700: Github.com/mattermost/mattermost server Mattermost Server SSRF Vulnerability Vulnerability
LOWCVE-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
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).
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.
Upgrade github.com/mattermost/mattermost-server to 10.5.10Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20250814075248-83a37a861d3cRun the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/mattermost/mattermost-serverHow 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-serverAnalyze 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
CVE-2025-47700 Affected Github.com/mattermost/mattermost server Versions
2 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/mattermost/mattermost-server
|
Go |
≥ 10.5.0
< 10.5.10
|
10.5.10
|
|
github.com/mattermost/mattermost/server/v8
|
Go |
< 8.0.0-20250814075248-83a37a861d3c
|
8.0.0-20250814075248-83a37a861d3c
|
References
Frequently Asked Questions
What is CVE-2025-47700?
Which Github.com/mattermost/mattermost server versions are affected?
What version fixes CVE-2025-47700?
Is github.com/mattermost/mattermost-server affected?
Is github.com/mattermost/mattermost/server/v8 affected?
What is the CVSS score of CVE-2025-47700?
What CWE is associated with CVE-2025-47700?
How can I check Go dependencies for CVE-2025-47700?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"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"
}
}