CVE-2025-54478 - Vulnerability Details - OpenCVE

Mattermost Confluence Plugin version <1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to edit channel subscriptions via API call to the edit channel subscription endpoint.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00073.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Mattermost	Mattermost

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products
Mattermost	Mattermost

References

Link	Providers
https://mattermost.com/security-updates

History

Tue, 12 Aug 2025 12:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Mattermost Mattermost mattermost
Vendors & Products		Mattermost Mattermost mattermost

Mon, 11 Aug 2025 20:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Mon, 11 Aug 2025 19:15:00 +0000

Type	Values Removed	Values Added
Description		Mattermost Confluence Plugin version <1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to edit channel subscriptions via API call to the edit channel subscription endpoint.
Title		Unauthenticated Channel Subscription Edit in Mattermost Confluence Plugin
Weaknesses		CWE-306
References		https://mattermost.com/security-updates
Metrics		cvssV3_1 `{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'}`

MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2025-08-11T18:57:06.088Z

Updated: 2025-08-11T19:40:33.338Z

Reserved: 2025-07-28T14:26:12.443Z

Link: CVE-2025-54478

Vulnrichment

Updated: 2025-08-11T19:40:27.615Z

NVD

Status : Awaiting Analysis

Published: 2025-08-11T19:15:30.220

Modified: 2025-08-12T14:25:33.177

Link: CVE-2025-54478

Redhat

No data.

OpenCVE Enrichment

Updated: 2025-08-12T11:46:58Z

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-54478", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "state": "PUBLISHED", "assignerShortName": "Mattermost", "dateReserved": "2025-07-28T14:26:12.443Z", "datePublished": "2025-08-11T18:57:06.088Z", "dateUpdated": "2025-08-11T19:40:33.338Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Mattermost Confluence Plugin", "vendor": "Mattermost", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThan": "1.5.0"}, {"version": "1.5.0", "status": "unaffected"}], "repo": "https://github.com/mattermost/mattermost-plugin-confluence/"}], "credits": [{"lang": "en", "type": "finder", "value": "Lorenzo Gallegos"}], "descriptions": [{"lang": "en", "value": "Mattermost Confluence Plugin version <1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to edit channel subscriptions via API call to the edit channel subscription endpoint."}], "metrics": [{"cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N", "baseSeverity": "HIGH", "baseScore": 7.2}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-306: Missing Authentication for Critical Function", "cweId": "CWE-306"}]}], "references": [{"url": "https://mattermost.com/security-updates"}], "solutions": [{"value": "Update Mattermost Confluence Plugin to version 1.5.0 or higher.", "lang": "en"}], "source": {"advisory": "MMSA-2025-00479", "defect": ["https://mattermost.atlassian.net/browse/MM-64164"], "discovery": "{\"self\"=>\"https://mattermost.atlassian.net/rest/api/2/customFieldOption/10557\", \"value\"=>\"Internal\", \"id\"=>\"10557\"}"}, "title": "Unauthenticated Channel Subscription Edit in Mattermost Confluence Plugin", "providerMetadata": {"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost", "dateUpdated": "2025-08-11T18:57:06.088Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-08-11T19:39:55.979664Z", "id": "CVE-2025-54478", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-08-11T19:40:33.338Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-54478", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-08-11T19:39:55.979664Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-08-11T19:40:27.615Z"}}], "cna": {"title": "Unauthenticated Channel Subscription Edit in Mattermost Confluence Plugin", "source": {"defect": ["https://mattermost.atlassian.net/browse/MM-64164"], "advisory": "MMSA-2025-00479", "discovery": "{\"self\"=>\"https://mattermost.atlassian.net/rest/api/2/customFieldOption/10557\", \"value\"=>\"Internal\", \"id\"=>\"10557\"}"}, "credits": [{"lang": "en", "type": "finder", "value": "Lorenzo Gallegos"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"repo": "https://github.com/mattermost/mattermost-plugin-confluence/", "vendor": "Mattermost", "product": "Mattermost Confluence Plugin", "versions": [{"status": "affected", "version": "0", "lessThan": "1.5.0", "versionType": "semver"}, {"status": "unaffected", "version": "1.5.0"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update Mattermost Confluence Plugin to version 1.5.0 or higher."}], "references": [{"url": "https://mattermost.com/security-updates"}], "descriptions": [{"lang": "en", "value": "Mattermost Confluence Plugin version <1.5.0 fails to enforce authentication of the user to the Mattermost instance which allows unauthenticated attackers to edit channel subscriptions via API call to the edit channel subscription endpoint."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-306", "description": "CWE-306: Missing Authentication for Critical Function"}]}], "providerMetadata": {"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost", "dateUpdated": "2025-08-11T18:57:06.088Z"}}}, "cveMetadata": {"cveId": "CVE-2025-54478", "state": "PUBLISHED", "dateUpdated": "2025-08-11T19:40:33.338Z", "dateReserved": "2025-07-28T14:26:12.443Z", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "datePublished": "2025-08-11T18:57:06.088Z", "assignerShortName": "Mattermost"}, "dataVersion": "5.1"}