CVE-2026-49049

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

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.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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
7.5
EG Score
7.5(medium)
EG Risk
65(Track)
EG Risk 65/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
61%
KEV
Not listed

Published

June 29, 2026

Last Modified

August 12, 2026

Advisory Details (1)

Auto-updated Jun 29, 2026
No patch confirmed yet.
generic

Responsive Joomla Templates & Premium Themes Club - JoomShaper

https://www.joomshaper.com/

Vendor 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 7× in last 7d / 65× 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.

Showing the most recent 100 of 184 total refreshes for this CVE.

  1. 2026-09-11 14:53 UTCEPSS rescore
  2. 2026-09-10 09:35 UTCEPSS rescore
  3. 2026-09-08 22:01 UTCEPSS rescore
  4. 2026-09-07 16:01 UTCEPSS rescore
  5. 2026-09-06 14:43 UTCEG score recompute
  6. 2026-09-06 14:43 UTCGHSA enrichment
  7. 2026-09-06 13:47 UTCEPSS rescore
  8. 2026-09-04 05:06 UTCEPSS rescore
  9. 2026-09-02 14:12 UTCEPSS rescore
  10. 2026-09-01 13:54 UTCEPSS rescore
  11. 2026-09-01 04:40 UTCEPSS rescore
  12. 2026-08-30 19:17 UTCEPSS rescore
  13. 2026-08-30 18:42 UTCEG score recompute
  14. 2026-08-30 18:42 UTCGHSA enrichment
  15. 2026-08-30 01:22 UTCEPSS rescore
  16. 2026-08-28 21:41 UTCEPSS rescore
  17. 2026-08-27 22:47 UTCEG score recompute
  18. 2026-08-27 22:47 UTCGHSA enrichment
  19. 2026-08-27 14:25 UTCEPSS rescore
  20. 2026-08-26 14:46 UTCEPSS rescore
  21. 2026-08-25 13:49 UTCEPSS rescore
  22. 2026-08-25 02:47 UTCEG score recompute
  23. 2026-08-25 02:47 UTCGHSA enrichment
  24. 2026-08-24 13:45 UTCEG score recompute
  25. 2026-08-24 13:45 UTCGHSA enrichment
Show 75 more
  1. 2026-08-24 00:45 UTCGHSA enrichment
  2. 2026-08-23 11:45 UTCEG score recompute
  3. 2026-08-23 11:45 UTCGHSA enrichment
  4. 2026-08-23 00:19 UTCEPSS rescore
  5. 2026-08-22 22:46 UTCGHSA enrichment
  6. 2026-08-22 09:46 UTCEG score recompute
  7. 2026-08-22 09:46 UTCGHSA enrichment
  8. 2026-08-21 23:49 UTCEPSS rescore
  9. 2026-08-21 20:46 UTCGHSA enrichment
  10. 2026-08-21 07:46 UTCEG score recompute
  11. 2026-08-21 07:46 UTCGHSA enrichment
  12. 2026-08-20 22:55 UTCEPSS rescore
  13. 2026-08-20 18:46 UTCGHSA enrichment
  14. 2026-08-20 05:47 UTCEG score recompute
  15. 2026-08-20 05:47 UTCGHSA enrichment
  16. 2026-08-19 17:04 UTCEPSS rescore
  17. 2026-08-19 12:35 UTCGHSA enrichment
  18. 2026-08-18 23:10 UTCEG score recompute
  19. 2026-08-18 23:10 UTCGHSA enrichment
  20. 2026-08-18 13:48 UTCEPSS rescore
  21. 2026-08-18 07:24 UTCEG score recompute
  22. 2026-08-18 07:24 UTCGHSA enrichment
  23. 2026-08-17 13:47 UTCEPSS rescore
  24. 2026-08-17 13:15 UTCGHSA enrichment
  25. 2026-08-17 00:15 UTCEG score recompute
  26. 2026-08-17 00:15 UTCGHSA enrichment
  27. 2026-08-16 14:56 UTCEPSS rescore
  28. 2026-08-16 11:15 UTCEG score recompute
  29. 2026-08-16 11:15 UTCGHSA enrichment
  30. 2026-08-16 02:14 UTCEPSS rescore
  31. 2026-08-15 22:16 UTCGHSA enrichment
  32. 2026-08-15 09:16 UTCEG score recompute
  33. 2026-08-15 09:16 UTCGHSA enrichment
  34. 2026-08-15 01:30 UTCEPSS rescore
  35. 2026-08-14 20:16 UTCGHSA enrichment
  36. 2026-08-14 07:16 UTCEG score recompute
  37. 2026-08-14 07:16 UTCGHSA enrichment
  38. 2026-08-13 22:00 UTCEPSS rescore
  39. 2026-08-13 18:16 UTCGHSA enrichment
  40. 2026-08-13 03:30 UTCGHSA enrichment
  41. 2026-08-12 14:30 UTCEG score recompute
  42. 2026-08-12 14:30 UTCGHSA enrichment
  43. 2026-08-12 13:51 UTCEPSS rescore
  44. 2026-08-12 04:44 UTCGHSA enrichment
  45. 2026-08-11 15:45 UTCEG score recompute
  46. 2026-08-11 15:45 UTCGHSA enrichment
  47. 2026-08-11 02:45 UTCEG score recompute
  48. 2026-08-11 02:44 UTCGHSA enrichment
  49. 2026-08-11 00:00 UTCEPSS rescore
  50. 2026-08-10 13:45 UTCGHSA enrichment
  51. 2026-08-10 00:45 UTCGHSA enrichment
  52. 2026-08-09 11:46 UTCGHSA enrichment
  53. 2026-08-08 22:46 UTCEG score recompute
  54. 2026-08-08 22:46 UTCGHSA enrichment
  55. 2026-08-08 16:37 UTCEPSS rescore
  56. 2026-08-08 09:46 UTCGHSA enrichment
  57. 2026-08-07 20:46 UTCEG score recompute
  58. 2026-08-07 20:46 UTCGHSA enrichment
  59. 2026-08-07 07:46 UTCGHSA enrichment
  60. 2026-08-06 18:46 UTCEG score recompute
  61. 2026-08-06 18:46 UTCGHSA enrichment
  62. 2026-08-06 13:47 UTCEPSS rescore
  63. 2026-08-06 05:46 UTCEG score recompute
  64. 2026-08-06 05:46 UTCGHSA enrichment
  65. 2026-08-05 19:17 UTCEPSS rescore
  66. 2026-08-05 16:46 UTCGHSA enrichment
  67. 2026-08-05 03:47 UTCEG score recompute
  68. 2026-08-05 03:47 UTCGHSA enrichment
  69. 2026-08-04 15:10 UTCEPSS rescore
  70. 2026-08-04 14:46 UTCEG score recompute
  71. 2026-08-04 14:46 UTCGHSA enrichment
  72. 2026-08-04 10:39 UTCEPSS rescore
  73. 2026-08-03 21:41 UTCGHSA enrichment
  74. 2026-08-03 08:41 UTCGHSA enrichment
  75. 2026-08-02 19:40 UTCGHSA enrichment

Publicly available exploits

(3 references)

Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCJenderal92/CVE-2026-49049
    First seen Aug 2, 2026

    Mass vulnerability scanner for CVE-2026-49049 – Unauthenticated Remote Code Execution in Joomla Helix3 plugin. Multi‑threaded, detects both executed and raw PHP payloads.

    Open source ↗
  • GitHub PoCshinthink/CVE-2026-49049
    First seen Jul 4, 2026

    Read-only vulnerability scanner for CVE-2026-49049 — Helix3 Joomla plugin unauthenticated AJAX handler

    Open source ↗
  • Nucleihttp/cves/2026/CVE-2026-49049.yaml
    First seen Jan 1, 2026

    JoomShaper Helix3 <=3.1.0 - Unauthenticated Arbitrary JSON File Write

    Open source ↗

Frequently asked(5)

What is CVE-2026-49049?
CVE-2026-49049 is a high vulnerability published on June 29, 2026. 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.
When was CVE-2026-49049 disclosed?
CVE-2026-49049 was first published in the National Vulnerability Database on June 29, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-49049 actively exploited?
CVE-2026-49049 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 39.5% of all scored CVEs.
What is the CVSS score of CVE-2026-49049?
CVE-2026-49049 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-49049?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-49049, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-49049

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