CVE-2026-12428

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-07-09. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

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

The Blocks for ACF Fields plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the get_all_values() function in the /wp-json/acf-field-blocks/v1/values REST endpoint in versions up to, and including, 1.6.2. The permission_callback only verifies the generic publish_posts capability and the handler passes a user-supplied id parameter directly to get_field_objects() without verifying that the requesting user is authorized to read the target object. This makes it possible for authenticated attackers, with Author-level access and above, to read ACF field values from arbitrary posts (including private posts, drafts, posts by other users, and other ACF-supported objects) that they should not have access to.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity65% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
39%
KEV
Not listed

Published

July 9, 2026

Last Modified

July 9, 2026

References (8)

Vendor Advisories for CVE-2026-12428(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 14× in last 7d / 74× 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 114 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-12428?
CVE-2026-12428 is a medium vulnerability published on July 9, 2026. The Blocks for ACF Fields plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the getallvalues() function in the /wp-json/acf-field-blocks/v1/values REST endpoint in versions up to, and including, 1.6.2. The permissioncallback only verifies the…
When was CVE-2026-12428 disclosed?
CVE-2026-12428 was first published in the National Vulnerability Database on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12428 actively exploited?
CVE-2026-12428 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 60.9% of all scored CVEs.
What is the CVSS score of CVE-2026-12428?
CVE-2026-12428 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-12428?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12428, 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.

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