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Vulnerability record · CVE-2026-49049 · published 29 June 2026

CVE-2026-49049: Ollyo helix3 improper access control vulnerability

Ollyo · Helix3

The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters.

7.5 CVSS 3.1 High EPSS 0.99% · top 38.9% CWE-284 · Improper access control
7.5CVSS 3.1 base score
0.99%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
30 Jun 2026Last modified by NVD

Description

The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.joomshaper.com/ Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-49049), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.