CVE-2026-4764

CRITICALPre-NVD 9.49.4
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.4 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 89% 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
9.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.4Exploit: None knownExposed: 0

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

A Missing Authorization vulnerability in the playbook import functionality in Dialogflow CX on Google Cloud Platform allows an authenticated user with specific roles to escalate privileges and potentially take over a GCP project using a maliciously crafted playbook import.

This vulnerability was patched on 15 March 2026, and no customer action is needed.

CVSS v3
9.4
EG Score
9.4(medium)
EG Risk
47(Track)
EG Risk 47/100SSVC: 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
Severity94% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
11%
KEV
Not listed

Published

June 11, 2026

Last Modified

June 11, 2026

Advisory Details (1)

Auto-updated Jul 31, 2026
No patch confirmed yet.
generic

Dialogflow release notes  |  Google Cloud Documentation

https://docs.cloud.google.com/dialogflow/docs/release-notes#May_07_2026

Vendor Advisories for CVE-2026-4764(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 37× in last 7d / 121× 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 293 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-4764?
CVE-2026-4764 is a critical vulnerability published on June 11, 2026. A Missing Authorization vulnerability in the playbook import functionality in Dialogflow CX on Google Cloud Platform allows an authenticated user with specific roles to escalate privileges and potentially take over a GCP project using a maliciously crafted playbook import. This vulnerability was…
When was CVE-2026-4764 disclosed?
CVE-2026-4764 was first published in the National Vulnerability Database on June 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-4764 actively exploited?
CVE-2026-4764 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 89.0% of all scored CVEs.
What is the CVSS score of CVE-2026-4764?
CVE-2026-4764 has a CVSS v3 base score of 9.4 (NVD).
How do I remediate CVE-2026-4764?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-4764, 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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