CVE-2025-53514

Source
https://cve.org/CVERecord?id=CVE-2025-53514
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-53514.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-53514
Aliases
Downstream
Related
Published
2025-08-11T18:57:01.515Z
Modified
2026-07-08T07:33:08.970815389Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Unexpected Input to Server Webhook endpoint Causes DoS in Mattermost Confluence Plugin
Details

Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to server webhook endpoint with an invalid request body.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53514.json",
    "cwe_ids": [
        "CWE-754"
    ],
    "cna_assigner": "Mattermost"
}
References

Affected packages

Git / github.com/mattermost/mattermost-plugin-confluence

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost-plugin-confluence
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Database specific
{
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ],
    "cpe": "cpe:2.3:a:mattermost:confluence:*:*:*:*:*:mattermost:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.5.0"
        }
    ]
}

Affected versions

v0.*
v0.1.0-rc1
v0.1.0-rc2
v1.*
v1.0.0
v1.1.0
v1.1.0-rc1
v1.2.0
v1.3.0
v1.4.0-rc1
v1.5.0-rc1
v1.5.0-rc2

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-53514.json"