CVE-2025-55074

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Source
https://cve.org/CVERecord?id=CVE-2025-55074
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-55074.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-55074
Aliases
Downstream
Related
Published
2025-11-18T15:23:29.642Z
Modified
2026-07-15T01:49:13.452752888Z
Severity
  • 3.0 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N CVSS Calculator
Summary
Channel member objects leak read status
Details

Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11 fail to enforce access permissions on the Agents plugin which allows other users to determine when users had read channels via channel member objects

Database specific 
{
    "cwe_ids": [
        "CWE-1426"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55074.json",
    "cna_assigner": "Mattermost",
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "10.11.0"
                },
                {
                    "last_affected": "10.11.3"
                },
                {
                    "introduced": "10.5.0"
                },
                {
                    "last_affected": "10.5.11"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/mattermost/mattermost

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost
Events
Introduced
58bd34fd34cbd7d3da777d627b6cffdf8a532930
Fixed
9fa25cd55b43d735a39c6925d7e0021697ae049d
Introduced
5b955468ea1ea8b56c0fb10feb258a36a767d7bb
Fixed
83a5be3f9ed65d8457ab8cca853826d0c8425a8b
Database specific 
{
    "cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE",
    "extracted_events": [
        {
            "introduced": "10.5.0"
        },
        {
            "fixed": "10.5.12"
        },
        {
            "introduced": "10.11.0"
        },
        {
            "fixed": "10.11.4"
        }
    ]
}

Affected versions

@mattermost/client@10.*
@mattermost/client@10.11.0
@mattermost/client@10.5.0
@mattermost/types@10.*
@mattermost/types@10.11.0
@mattermost/types@10.5.0
mattermost-redux@10.*
mattermost-redux@10.11.0
v10.*
v10.11.0
v10.11.0-rc3
v10.11.1
v10.11.1-rc1
v10.11.2
v10.11.2-rc1
v10.11.2-rc2
v10.11.3
v10.11.4-rc1
v10.11.4-rc2
v10.5.0
v10.5.0-rc6
v10.5.1
v10.5.1-rc1
v10.5.1-rc2
v10.5.10
v10.5.10-rc1
v10.5.10-rc2
v10.5.11
v10.5.11-rc1
v10.5.12-rc1
v10.5.2
v10.5.3
v10.5.3-rc1
v10.5.4
v10.5.4-rc1
v10.5.4-rc2
v10.5.5
v10.5.5-rc1
v10.5.6
v10.5.6-rc1
v10.5.7
v10.5.8
v10.5.8-rc1
v10.5.9
v10.5.9-rc1
v10.5.9-rc2
v10.5.9-rc3
v10.5.9-rc4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-55074.json"