CVE-2026-77026

MEDIUMPre-NVD 6.96.9—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.9 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 81% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
6.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.9Exploit: None knownExposed: 0

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

Joomla Extension - tassos.gr - Client-controlled validation bypass in Convert Forms extension < 5.2.5 - The front-end Submissions view did not enforce access control. An unauthenticated visitor could therefore list a form's submissions.

CVSS v3
6.9
EG Score
6.9(medium)
EG Risk
46(Track)
EG Risk 46/100SSVC: 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
Severity69% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
19%
KEV
Not listed

Published

August 20, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Aug 20, 2026
No patch confirmed yet.
generic

The #1 Joomla Contact Form Builder Extension - Convert Forms

https://www.tassos.gr/joomla-extensions/convert-forms

Vendor Advisories for CVE-2026-77026(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 18× in last 7d / 86× 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. 2026-09-18 21:40 UTCEG score recompute
  2. 2026-09-18 21:40 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-17 21:24 UTCEG score recompute
  5. 2026-09-17 21:24 UTCGHSA enrichment
  6. 2026-09-16 20:03 UTCEG score recompute
  7. 2026-09-16 20:03 UTCGHSA enrichment
  8. 2026-09-16 14:08 UTCEPSS rescore
  9. 2026-09-16 05:15 UTCEPSS rescore
  10. 2026-09-15 18:49 UTCEG score recompute
  11. 2026-09-15 18:49 UTCGHSA enrichment
  12. 2026-09-15 03:12 UTCEPSS rescore
  13. 2026-09-14 19:58 UTCGHSA enrichment
  14. 2026-09-13 21:09 UTCEG score recompute
  15. 2026-09-13 21:09 UTCGHSA enrichment
  16. 2026-09-12 22:20 UTCEG score recompute
  17. 2026-09-12 22:20 UTCGHSA enrichment
  18. 2026-09-12 15:02 UTCEPSS rescore
  19. 2026-09-11 23:31 UTCEG score recompute
  20. 2026-09-11 23:31 UTCGHSA enrichment
  21. 2026-09-11 14:53 UTCEPSS rescore
  22. 2026-09-11 00:20 UTCEG score recompute
  23. 2026-09-11 00:20 UTCGHSA enrichment
  24. 2026-09-10 09:35 UTCEPSS rescore
  25. 2026-09-10 00:55 UTCGHSA enrichment
Show 64 more
  1. 2026-09-09 02:06 UTCEG score recompute
  2. 2026-09-09 02:06 UTCGHSA enrichment
  3. 2026-09-08 22:01 UTCEPSS rescore
  4. 2026-09-08 02:42 UTCEG score recompute
  5. 2026-09-08 02:42 UTCGHSA enrichment
  6. 2026-09-07 03:54 UTCEG score recompute
  7. 2026-09-07 03:53 UTCGHSA enrichment
  8. 2026-09-06 13:48 UTCEPSS rescore
  9. 2026-09-06 04:49 UTCEG score recompute
  10. 2026-09-06 04:49 UTCGHSA enrichment
  11. 2026-09-05 06:01 UTCEG score recompute
  12. 2026-09-05 06:01 UTCGHSA enrichment
  13. 2026-09-04 07:13 UTCEG score recompute
  14. 2026-09-04 07:12 UTCGHSA enrichment
  15. 2026-09-04 05:07 UTCEPSS rescore
  16. 2026-09-03 07:46 UTCEG score recompute
  17. 2026-09-03 07:46 UTCGHSA enrichment
  18. 2026-09-02 14:12 UTCEPSS rescore
  19. 2026-09-02 08:54 UTCEG score recompute
  20. 2026-09-02 08:54 UTCGHSA enrichment
  21. 2026-09-01 13:54 UTCEPSS rescore
  22. 2026-09-01 10:05 UTCEG score recompute
  23. 2026-09-01 10:05 UTCGHSA enrichment
  24. 2026-09-01 04:40 UTCEPSS rescore
  25. 2026-09-01 04:40 UTCEPSS rescore
  26. 2026-08-31 11:16 UTCEG score recompute
  27. 2026-08-31 11:15 UTCGHSA enrichment
  28. 2026-08-30 19:18 UTCEPSS rescore
  29. 2026-08-30 19:17 UTCEPSS rescore
  30. 2026-08-30 12:24 UTCEG score recompute
  31. 2026-08-30 12:24 UTCGHSA enrichment
  32. 2026-08-30 01:22 UTCEPSS rescore
  33. 2026-08-29 13:31 UTCEG score recompute
  34. 2026-08-29 13:31 UTCGHSA enrichment
  35. 2026-08-28 21:42 UTCEPSS rescore
  36. 2026-08-28 14:30 UTCGHSA enrichment
  37. 2026-08-27 15:40 UTCEG score recompute
  38. 2026-08-27 15:40 UTCGHSA enrichment
  39. 2026-08-27 14:25 UTCEPSS rescore
  40. 2026-08-26 16:50 UTCEG score recompute
  41. 2026-08-26 16:49 UTCGHSA enrichment
  42. 2026-08-26 14:47 UTCEPSS rescore
  43. 2026-08-25 23:10 UTCEG score recompute
  44. 2026-08-25 23:10 UTCGHSA enrichment
  45. 2026-08-25 13:49 UTCEPSS rescore
  46. 2026-08-25 00:07 UTCEG score recompute
  47. 2026-08-25 00:07 UTCGHSA enrichment
  48. 2026-08-24 14:18 UTCEPSS rescore
  49. 2026-08-24 01:18 UTCGHSA enrichment
  50. 2026-08-23 02:28 UTCEG score recompute
  51. 2026-08-23 02:28 UTCGHSA enrichment
  52. 2026-08-23 00:19 UTCEPSS rescore
  53. 2026-08-22 03:39 UTCEG score recompute
  54. 2026-08-22 03:39 UTCGHSA enrichment
  55. 2026-08-21 23:49 UTCEPSS rescore
  56. 2026-08-21 04:50 UTCEG score recompute
  57. 2026-08-21 04:50 UTCGHSA enrichment
  58. 2026-08-20 16:34 UTCEG score recompute
  59. 2026-08-20 16:34 UTCGHSA enrichment
  60. 2026-08-20 15:57 UTCEG score recompute
  61. 2026-08-20 15:57 UTCGHSA enrichment
  62. 2026-08-20 11:27 UTCEG score recompute
  63. 2026-08-20 10:47 UTCEG score recompute
  64. 2026-08-20 10:46 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-77026?
CVE-2026-77026 is a medium vulnerability published on August 20, 2026. Joomla Extension - tassos.gr - Client-controlled validation bypass in Convert Forms extension < 5.2.5 - The front-end Submissions view did not enforce access control. An unauthenticated visitor could therefore list a form's submissions.
When was CVE-2026-77026 disclosed?
CVE-2026-77026 was first published in the National Vulnerability Database on August 20, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-77026 actively exploited?
CVE-2026-77026 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 80.7% of all scored CVEs.
What is the CVSS score of CVE-2026-77026?
CVE-2026-77026 has a CVSS v3 base score of 6.9 (NVD).
How do I remediate CVE-2026-77026?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-77026, 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-2026-77026

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