CVE-2026-23898 - Vulnerability Details - OpenCVE

Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

No data.

No data.

No data.

No data.

References

Link	Providers
https://developer.joomla.org/security-centre/1031-20260305-core-arbitrary-file-deletion-in-com-joomlaupdate.html

History

Wed, 01 Apr 2026 09:45:00 +0000

Type	Values Removed	Values Added
Description		Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.
Title		Joomla! Core - [20260305] - Arbitrary file deletion in com_joomlaupdate
Weaknesses		CWE-73
References		https://developer.joomla.org/security-centre/1031-20260305-core-arbitrary-file-deletion-in-com-joomlaupdate.html
Metrics		cvssV4_0 `{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: Joomla

Published: 2026-04-01T09:03:40.185Z

Updated: 2026-04-01T12:41:47.296Z

Reserved: 2026-01-17T04:38:44.008Z

Link: CVE-2026-23898

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-04-01T10:16:16.397

Modified: 2026-04-01T10:16:16.397

Link: CVE-2026-23898

Redhat

No data.

OpenCVE Enrichment

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23898", "assignerOrgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586", "state": "PUBLISHED", "assignerShortName": "Joomla", "dateReserved": "2026-01-17T04:38:44.008Z", "datePublished": "2026-04-01T09:03:40.185Z", "dateUpdated": "2026-04-01T12:41:47.296Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Joomla! CMS", "vendor": "Joomla! Project", "versions": [{"status": "affected", "version": "4.0.0-5.4.3"}, {"status": "affected", "version": "6.0.0-6.0.3"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Phil Taylor"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism."}], "value": "Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism."}], "impacts": [{"capecId": "CAPEC-126", "descriptions": [{"lang": "en", "value": "CAPEC-126 Path Traversal"}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.6, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-73", "description": "CWE-73 Destructive File Deletion and Potential System Compromise", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586", "shortName": "Joomla", "dateUpdated": "2026-04-01T09:03:40.185Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://developer.joomla.org/security-centre/1031-20260305-core-arbitrary-file-deletion-in-com-joomlaupdate.html"}], "source": {"discovery": "UNKNOWN"}, "title": "Joomla! Core - [20260305] - Arbitrary file deletion in com_joomlaupdate", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-01T12:41:21.055135Z", "id": "CVE-2026-23898", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-01T12:41:47.296Z"}}]}}