CVE-2025-20086

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Source
https://cve.org/CVERecord?id=CVE-2025-20086
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-20086.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-20086
Aliases
Downstream
Related
Published
2025-01-15T16:49:51.066Z
Modified
2026-07-15T02:13:51.599907820Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Insufficient Input Validation on Post Props
Details

Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.

Database specific 
{
    "cwe_ids": [
        "CWE-1287"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/20xxx/CVE-2025-20086.json",
    "cna_assigner": "Mattermost",
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "10.2.0"
                },
                {
                    "last_affected": "10.2.0"
                },
                {
                    "introduced": "9.11.0"
                },
                {
                    "last_affected": "9.11.5"
                },
                {
                    "introduced": "10.0.0"
                },
                {
                    "last_affected": "10.0.3"
                },
                {
                    "introduced": "10.1.0"
                },
                {
                    "last_affected": "10.1.3"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/mattermost/mattermost

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost
Events
Introduced
0bc2ddd42375a75ab14e63f038165150d4f07659
Fixed
51ac054df0cf662ef3fa4657df4e058a33687135
Introduced
2d83d21388f3111bffe4b1f63521b21d77ec2cef
Fixed
ff3c76437efdef1fdf44f92434ac588e4d4e964c
Introduced
50f91e2453188bbd0153db0e98714022db022a5c
Fixed
90937a3832837b2d193c25aada123ee88942ebed
Introduced
9a578312304f06bb423d668fa8f1b975dc1fe79a
Last affected
9a578312304f06bb423d668fa8f1b975dc1fe79a
Database specific 
{
    "cpe": [
        "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
        "cpe:2.3:a:mattermost:mattermost_server:10.2.0:-:*:*:*:*:*:*"
    ],
    "source": [
        "CPE_RANGE",
        "CPE_STRING"
    ],
    "extracted_events": [
        {
            "introduced": "9.11.0"
        },
        {
            "fixed": "9.11.6"
        },
        {
            "introduced": "10.0.0"
        },
        {
            "fixed": "10.0.4"
        },
        {
            "introduced": "10.1.0"
        },
        {
            "fixed": "10.1.4"
        },
        {
            "introduced": "10.2.0-NA"
        },
        {
            "last_affected": "10.2.0-NA"
        }
    ]
}

Affected versions

10.*
10.2.0-NA
@mattermost/client@10.*
@mattermost/client@10.0.0
@mattermost/client@10.1.0
@mattermost/client@9.*
@mattermost/client@9.11.0
@mattermost/types@10.*
@mattermost/types@10.0.0
@mattermost/types@10.1.0
@mattermost/types@9.*
@mattermost/types@9.11.0
v10.*
v10.0.0
v10.0.0-rc4
v10.0.1
v10.0.1-rc1
v10.0.2
v10.0.2-rc1
v10.0.2-rc2
v10.0.3
v10.0.3-rc1
v10.0.4-rc1
v10.0.4-rc2
v10.1.0
v10.1.0-rc3
v10.1.1
v10.1.1-rc1
v10.1.2
v10.1.2-rc1
v10.1.3
v10.1.3-rc1
v10.1.4-rc1
v10.2.0
v10.2.0-rc3
v9.*
v9.11.0
v9.11.0-rc3
v9.11.1
v9.11.1-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-rc1
v9.11.6-rc2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-20086.json"