CVE-2025-2527

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Source
https://cve.org/CVERecord?id=CVE-2025-2527
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-2527.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-2527
Aliases
Downstream
Related
Published
2025-05-15T15:27:49.780Z
Modified
2026-07-08T06:56:20.782132777Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
Improper access control to group information
Details

Mattermost versions 10.5.x <= 10.5.2, 9.11.x <= 9.11.11 failed to properly verify a user's permissions when accessing groups, which allows an attacker to view group information via an API request.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "10.5.0"
                },
                {
                    "last_affected": "10.5.2"
                },
                {
                    "introduced": "9.11.0"
                },
                {
                    "last_affected": "9.11.11"
                }
            ]
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/2xxx/CVE-2025-2527.json",
    "cwe_ids": [
        "CWE-863"
    ],
    "cna_assigner": "Mattermost"
}
References

Affected packages

Git / github.com/mattermost/mattermost

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost
Events
Introduced
0bc2ddd42375a75ab14e63f038165150d4f07659
Fixed
e4fe8d850b9e004bd83bde62b925c33c93a80304
Introduced
58bd34fd34cbd7d3da777d627b6cffdf8a532930
Fixed
844447fbd57c8afc26431f7b200f44b02e0079cd
Database specific 
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "9.11.0"
        },
        {
            "fixed": "9.11.12"
        },
        {
            "introduced": "10.5.0"
        },
        {
            "fixed": "10.5.3"
        }
    ]
}

Affected versions

@mattermost/client@10.*
@mattermost/client@10.5.0
@mattermost/client@9.*
@mattermost/client@9.11.0
@mattermost/types@10.*
@mattermost/types@10.5.0
@mattermost/types@9.*
@mattermost/types@9.11.0
v10.*
v10.5.0
v10.5.0-rc6
v10.5.1
v10.5.1-rc1
v10.5.1-rc2
v10.5.2
v10.5.3-rc1
v9.*
v9.11.0
v9.11.0-rc3
v9.11.1
v9.11.1-rc1
v9.11.10
v9.11.10-rc1
v9.11.11
v9.11.11-rc1
v9.11.12-rc1
v9.11.2
v9.11.2-rc1
v9.11.2-rc2
v9.11.3
v9.11.3-rc1
v9.11.3-rc2
v9.11.4
v9.11.4-rc1
v9.11.5
v9.11.5-rc1
v9.11.6
v9.11.6-rc1
v9.11.6-rc2
v9.11.7
v9.11.7-rc1
v9.11.7-rc2
v9.11.7-rc3
v9.11.8
v9.11.9
v9.11.9-rc1
v9.11.9-rc2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-2527.json"