CVE-2026-49049

HIGH
Published Jun 29, 2026 Modified Jun 30, 2026 CWE-284

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 v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS — Exploit Prediction

0.0023
Probability of exploitation
0.13%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-284 CWE-284

Affected Products

Vendor Product
ollyo helix3

References

Other References

Frequently Asked Questions

What is CVE-2026-49049? +
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. It has a CVSS v3.1 base score of 7.5 (HIGH).
How severe is CVE-2026-49049? +
CVE-2026-49049 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0023, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-49049? +
CVE-2026-49049 affects products from ollyo, specifically: helix3. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2026-49049? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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