What it is
CVE-2026-49049 is an unauthenticated vulnerability affecting joomshaper.com Helix3 extension for Joomla. The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete...
Vulnerability report
Active exploitation observed
Confirmed confidence
Not in CISA KEV
CVE-2026-49049
GitHub Advisory: GHSA-XR7R-292V-JXG8 (GitHub)
Helix3 extension for Joomla
joomshaper.com / Helix3 extension for Joomla · 1.0-3.1.1
- Severity
- CVSS 7.5 · High
- Confidence
- Confirmed
- Exploit status
- Observed in sensors
- EPSS
- 17.7%
- First observed
- 11 Aug 2026
- Last observed
- 11 Aug 2026
Decision summary
What security teams need to know first
Direct answers before the deeper technical record.
Is it exploited?
Yes. KEV Intelligence sensors observed exploitation attempts with confirmed confidence.
Who is affected?
joomshaper.com / Helix3 extension for Joomla 1.0-3.1.1.
What should we do?
Patch immediately, validate internet-facing exposure, and monitor for matching requests.
Overview
Helix3 extension for Joomla
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.
Vendor
Product
Affected
Status
joomshaper.com
Helix3 extension for Joomla
1.0-3.1.1
Affected
- Published
- 29 Jun 2026
- Exploitation Reported
- 11 Aug 2026
- Attack vector
- Remote
- Complexity
- Low
- Privileges
- None
- User interaction
- None
Tags
joomla
CVE References
- Product — joomshaper.com joomshaper.com · Product https://www.joomshaper.com/
Exploitation evidence
Why KEV Intelligence marks this CVE as exploited
Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.
Exploited in the wild
KEV Intelligence
Independent exploitation attestation added to the KEV Intelligence record.
Active exploitation observed
KEV Intelligence sensor
First-party sensor telemetry confirms matching exploitation attempts.
Proof of concept available
GitHub
Public scanner or PoC coverage increases practical exploitability.
Known exploited vulnerability sources
Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| KEV Intelligence First | 2026-08-11 08:44 UTC |
Operational indicators for this CVE are listed under Detection.
Sensor telemetry
First-party evidence of exploitation activity
Aggregate observations show the scale, recency, and distribution of activity without overstating sparse data.
2
Attempts observed
1
Unique attacker IPs
1
Attacker countries
JP
1
Sensors observed
Exploitation attempts over the last 7 days
Daily events observed by KEV Intelligence sensors
Updated 11 Aug 2026
5 Aug
6 Aug
7 Aug
8 Aug
9 Aug
10 Aug
11 Aug
First observed 11 Aug 2026 · Last observed 11 Aug 2026
Pro adds sensor region and window summaries. Enterprise adds raw IPs, paths, User-Agents, and payloads.
Detection
Operational artifacts and observed signals
Make the evidence actionable in scanner, SOC, and edge-control workflows.
Observed signals
- Request targets
- 1
- User-Agents
- 1
Raw values available in Pro and Enterprise.
Scanner coverage
No scanner integrations recorded yet.
Virtual patch status
No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.
Learn about virtual patches →Attacker IP Indicators
Attacker IP indicators observed · available in Pro and Enterprise.
Sensor-derived attacker IP indicators are available to Pro and Enterprise accounts under Detection and through the Pro API.
Learn about Pro API accessRisk and context
Severity, weaknesses, and research context
CVSS v3.1
7.5
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
17.7%
Weaknesses
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
Jenderal92/CVE-2026-49049
github · Created 2026-08-02 02:42:32 UTC · 0 stars
Mass vulnerability scanner for CVE-2026-49049 – Unauthenticated Remote Code Execution in Joomla Helix3 plugin. Multi‑threaded, detects both executed and raw PHP payloads.
ExDev994/CVE-2026-49049
github · Created 2026-07-13 19:38:34 UTC · 0 stars
CVE-2026-49049 Helix3 (JoomShaper) Joomla Unauthenticated AJAX RCE Scanner
Dr-D25/CVE-2026-49049
github · Created 2026-07-10 08:26:45 UTC · 0 stars
shinthink/CVE-2026-49049
github · Created 2026-07-04 16:28:06 UTC · 0 stars
Read-only vulnerability scanner for CVE-2026-49049 — Helix3 Joomla plugin unauthenticated AJAX handler
Timeline
From disclosure to observed exploitation
-
Observed by KEV Intelligence sensors
Evidence-backed exploitation signal
-
Indicator of compromise added
Indicators of compromise recorded
-
Public PoC available
Public proof-of-concept code published
-
CVE published
Vulnerability disclosed publicly
-
CVE ID reserved
Identifier reserved by the CNA
Pro API
Automate this intelligence
Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
- Evidence confidence and provenance
- First-party sensor telemetry
- PoC and scanner references
- Affected versions and enrichment
- Automation-ready JSON delivery
GET /api/v2/pro/kevs/CVE-2026-49049
Free JSON includes basic KEV fields{
"cve_id": "CVE-2026-49049",
"confidence": "Confirmed",
"cvss_score": 7.5,
"epss_score": 0.17701,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": true
},
"sensor_telemetry": { "attempts": 2, "sensors": 1 }
}