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: 18%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
18%
EPSS %ILE
97%
KEV
Not listed

Published

June 29, 2026

Last Modified

July 5, 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 20× in last 7d / 73× 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.

  1. 2026-07-31 02:22 UTCEG score recompute
  2. 2026-07-31 02:22 UTCGHSA enrichment
  3. 2026-07-30 16:28 UTCEPSS rescore
  4. 2026-07-30 13:14 UTCEG score recompute
  5. 2026-07-30 13:14 UTCGHSA enrichment
  6. 2026-07-29 23:31 UTCEG score recompute
  7. 2026-07-29 23:31 UTCGHSA enrichment
  8. 2026-07-29 08:45 UTCGHSA enrichment
  9. 2026-07-28 19:45 UTCEG score recompute
  10. 2026-07-28 19:45 UTCGHSA enrichment
  11. 2026-07-28 15:37 UTCEPSS rescore
  12. 2026-07-28 05:56 UTCGHSA enrichment
  13. 2026-07-27 16:55 UTCGHSA enrichment
  14. 2026-07-27 03:19 UTCEG score recompute
  15. 2026-07-27 03:18 UTCGHSA enrichment
  16. 2026-07-26 14:54 UTCEPSS rescore
  17. 2026-07-26 14:16 UTCEG score recompute
  18. 2026-07-26 14:16 UTCGHSA enrichment
  19. 2026-07-25 14:18 UTCEPSS rescore
  20. 2026-07-24 14:18 UTCEPSS rescore
  21. 2026-07-23 14:18 UTCEPSS rescore
  22. 2026-07-23 03:18 UTCEG score recompute
  23. 2026-07-22 14:08 UTCEPSS rescore
  24. 2026-07-21 15:25 UTCEPSS rescore
  25. 2026-07-20 17:08 UTCEPSS rescore
Show 53 more
  1. 2026-07-19 14:31 UTCEPSS rescore
  2. 2026-07-19 14:31 UTCEPSS rescore
  3. 2026-07-19 02:29 UTCEPSS rescore
  4. 2026-07-18 10:04 UTCEPSS rescore
  5. 2026-07-17 03:42 UTCGHSA enrichment
  6. 2026-07-16 17:03 UTCEPSS rescore
  7. 2026-07-16 14:39 UTCGHSA enrichment
  8. 2026-07-16 01:39 UTCGHSA enrichment
  9. 2026-07-15 16:57 UTCEPSS rescore
  10. 2026-07-15 12:38 UTCGHSA enrichment
  11. 2026-07-15 02:00 UTCEPSS rescore
  12. 2026-07-14 23:35 UTCGHSA enrichment
  13. 2026-07-14 10:23 UTCGHSA enrichment
  14. 2026-07-13 22:30 UTCEPSS rescore
  15. 2026-07-13 21:23 UTCGHSA enrichment
  16. 2026-07-13 08:22 UTCGHSA enrichment
  17. 2026-07-13 06:13 UTCEPSS rescore
  18. 2026-07-12 19:22 UTCGHSA enrichment
  19. 2026-07-12 06:22 UTCGHSA enrichment
  20. 2026-07-12 05:46 UTCEPSS rescore
  21. 2026-07-11 17:13 UTCGHSA enrichment
  22. 2026-07-11 08:27 UTCEPSS rescore
  23. 2026-07-11 04:12 UTCGHSA enrichment
  24. 2026-07-10 15:11 UTCGHSA enrichment
  25. 2026-07-10 02:10 UTCGHSA enrichment
  26. 2026-07-09 19:10 UTCEPSS rescore
  27. 2026-07-09 13:09 UTCGHSA enrichment
  28. 2026-07-09 00:09 UTCGHSA enrichment
  29. 2026-07-08 15:16 UTCEPSS rescore
  30. 2026-07-08 11:10 UTCGHSA enrichment
  31. 2026-07-07 22:09 UTCGHSA enrichment
  32. 2026-07-07 13:46 UTCEPSS rescore
  33. 2026-07-07 09:10 UTCGHSA enrichment
  34. 2026-07-06 20:09 UTCGHSA enrichment
  35. 2026-07-06 16:27 UTCEPSS rescore
  36. 2026-07-06 07:04 UTCGHSA enrichment
  37. 2026-07-06 02:23 UTCEPSS rescore
  38. 2026-07-05 18:03 UTCGHSA enrichment
  39. 2026-07-05 05:03 UTCGHSA enrichment
  40. 2026-07-05 02:30 UTCEPSS rescore
  41. 2026-07-04 16:02 UTCGHSA enrichment
  42. 2026-07-04 06:31 UTCEPSS rescore
  43. 2026-07-04 03:02 UTCGHSA enrichment
  44. 2026-07-03 14:01 UTCGHSA enrichment
  45. 2026-07-03 01:01 UTCGHSA enrichment
  46. 2026-07-02 12:00 UTCEG score recompute 7.50
  47. 2026-07-02 12:00 UTCGHSA enrichment
  48. 2026-07-01 15:07 UTCEPSS rescore
  49. 2026-06-30 23:22 UTCEPSS rescore
  50. 2026-06-29 16:13 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  51. 2026-06-29 15:26 UTCNVD update
  52. 2026-06-29 14:52 UTCEG score recompute
  53. 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-2026-49049
    First seen Jul 4, 2026

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

    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 July 5, 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 18% probability of exploitation in the next 30 days, which ranks it in the top 3.2% 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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