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.
CVE-2026-49049
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-29. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(high)
- EPSS
- 13.5%
- KEV
- Not listed
Published
June 29, 2026
Last Modified
July 5, 2026
Advisory Details (1)
Auto-updated Jun 29, 2026Vendor Advisories for CVE-2026-49049(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 26× in last 7d / 30× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 09:10 UTCEG score recompute
- 2026-07-07 09:10 UTCGHSA enrichment
- 2026-07-06 20:09 UTCEG score recompute
- 2026-07-06 20:09 UTCGHSA enrichment
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 07:05 UTCEG score recompute
- 2026-07-06 07:04 UTCGHSA enrichment
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-05 18:03 UTCEG score recompute
- 2026-07-05 18:03 UTCGHSA enrichment
- 2026-07-05 05:03 UTCEG score recompute
- 2026-07-05 05:03 UTCGHSA enrichment
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 16:03 UTCEG score recompute
- 2026-07-04 16:02 UTCGHSA enrichment
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 03:02 UTCEG score recompute
- 2026-07-04 03:02 UTCGHSA enrichment
- 2026-07-03 14:01 UTCEG score recompute
- 2026-07-03 14:01 UTCGHSA enrichment
- 2026-07-03 01:01 UTCEG score recompute
- 2026-07-03 01:01 UTCGHSA enrichment
- 2026-07-02 12:00 UTCEG score recompute▲ 7.50
- 2026-07-02 12:00 UTCGHSA enrichment
- 2026-07-01 15:07 UTCEPSS rescore
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- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-29 16:13 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
- 2026-06-29 15:26 UTCNVD update
- 2026-06-29 14:52 UTCEG score recompute
- 2026-06-29 14:52 UTCMITRE cvelistV5first tracked
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- GitHub PoCshinthink/CVE-2026-49049First seen Jul 4, 2026
Read-only vulnerability scanner for CVE-2026-49049 — Helix3 Joomla plugin unauthenticated AJAX handler
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-284
Frequently asked(5)
What is CVE-2026-49049?
When was CVE-2026-49049 disclosed?
Is CVE-2026-49049 actively exploited?
What is the CVSS score of CVE-2026-49049?
How do I remediate CVE-2026-49049?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-49049
Is Your Infrastructure Affected by CVE-2026-49049?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.