CVE-2026-56058

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreHIGH confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-26. a secondary CVSS source baseline 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.9
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.9Exploit: NoneExposed: 0

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

Subscriber Arbitrary File Upload in Quform <= 2.23.0 versions.

CVSS v3
9.9
EG Score
9.9(high)
EPSS
28.3%
KEV
Not listed

Published

June 26, 2026

Last Modified

June 26, 2026

Advisory Details (1)

Auto-updated Jul 4, 2026
No patch confirmed yet.
generic

Arbitrary File Upload in WordPress Quform Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/quform/vulnerability/wordpress-quform-plugin-2-23-0-arbitrary-file-upload-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-56058(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 91× in last 7d / 136× 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 136 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56058?
CVE-2026-56058 is a critical vulnerability published on June 26, 2026. Subscriber Arbitrary File Upload in Quform <= 2.23.0 versions.
When was CVE-2026-56058 disclosed?
CVE-2026-56058 was first published in the National Vulnerability Database on June 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56058 actively exploited?
CVE-2026-56058 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 28.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56058?
CVE-2026-56058 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-56058?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56058, 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

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