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Description

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

PUBLISHED Reserved 2026-01-17 | Published 2026-04-01 | Updated 2026-04-02 | Assigner Joomla




HIGH: 8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-73 Destructive File Deletion and Potential System Compromise

Product status

Default status
unaffected

4.0.0-5.4.3
affected

6.0.0-6.0.3
affected

Credits

Phil Taylor finder

References

developer.joomla.org/...le-deletion-in-com-joomlaupdate.html vendor-advisory

cve.org (CVE-2026-23898)

nvd.nist.gov (CVE-2026-23898)

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