CVE-2026-9753

HIGHPre-NVD 8.18.1—
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-10. a secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.1Exploit: NoneExposed: 0

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

The $_internalApplyOplogUpdate aggregation pipeline stage can be used to execute a document diff containing a malformed binary diff to return memory out-of-bounds or crash the server. $_internalApplyOplogUpdate can be executed by any authenticated user with access to the aggregate command.

CVSS v3
8.1
EG Score
8.1(high)
EPSS
21.5%
KEV
Not listed

Published

June 9, 2026

Last Modified

June 18, 2026

Advisory Details (1)

Auto-updated Jun 9, 2026
No patch confirmed yet.
generic

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https://jira.mongodb.org/browse/SERVER-124959

Vendor Advisories for CVE-2026-9753(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 29× in last 7d / 130× 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 130 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-9753?
CVE-2026-9753 is a high vulnerability published on June 9, 2026. The $internalApplyOplogUpdate aggregation pipeline stage can be used to execute a document diff containing a malformed binary diff to return memory out-of-bounds or crash the server. $internalApplyOplogUpdate can be executed by any authenticated user with access to the aggregate command.
When was CVE-2026-9753 disclosed?
CVE-2026-9753 was first published in the National Vulnerability Database on June 9, 2026, with the most recent update on June 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9753 actively exploited?
CVE-2026-9753 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9753?
CVE-2026-9753 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-9753?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9753, 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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