CVE-2026-36501

HIGHPre-NVD 7.57.5
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-05. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

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

An issue in the Externalizable.readExternal() component of Controller v12.0.5 allows attackers to cause a Denial of Service (DoS) via a crafted input.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
19.7%
KEV
Not listed

Published

June 5, 2026

Last Modified

June 9, 2026

Advisory Details (2)

Auto-updated Jun 11, 2026
No patch confirmed yet.
generic

ODL-Raft-Bug/README.md at main · majdlatah/ODL-Raft-Bug · GitHub

https://github.com/majdlatah/ODL-Raft-Bug/blob/main/README.md
generic

Controller — OpenDaylight Documentation Titanium documentation

https://docs.opendaylight.org/en/stable-titanium/release-notes/projects/controller.html

Vendor Advisories for CVE-2026-36501(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 24× in last 7d / 122× 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 125 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-36501?
CVE-2026-36501 is a high vulnerability published on June 5, 2026. An issue in the Externalizable.readExternal() component of Controller v12.0.5 allows attackers to cause a Denial of Service (DoS) via a crafted input.
When was CVE-2026-36501 disclosed?
CVE-2026-36501 was first published in the National Vulnerability Database on June 5, 2026, with the most recent update on June 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-36501 actively exploited?
CVE-2026-36501 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 19.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-36501?
CVE-2026-36501 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-36501?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-36501, 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-2026-36501

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