CVE-2026-36720

HIGHPre-NVD 8.16.5
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-06-09. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.1; sources differ by 1.6.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
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.

Insecure permissions in bookcars v8.3 allows authenticated attackers to escalate privileges from user to admin via modifying their user type.

CVSS v3
8.1
EG Score
6.5(medium)
EPSS
16.0%
KEV
Not listed

Published

June 9, 2026

Last Modified

June 9, 2026

Advisory Details (1)

Auto-updated Jun 9, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Vulnerabilities/bookcars/vulnerability-3 at master · CC-T-454455/Vulnerabilities · GitHub

https://github.com/CC-T-454455/Vulnerabilities/tree/master/bookcars/vulnerability-3

Vendor Advisories for CVE-2026-36720(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 19× in last 7d / 84× 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.

  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 15:58 UTCEG score recompute
  6. 2026-07-05 15:58 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-04 15:51 UTCEG score recompute
  9. 2026-07-04 15:51 UTCGHSA enrichment
  10. 2026-07-03 15:33 UTCEG score recompute
  11. 2026-07-03 15:32 UTCGHSA enrichment
  12. 2026-07-02 14:42 UTCEG score recompute
  13. 2026-07-02 14:42 UTCGHSA enrichment
  14. 2026-07-01 15:06 UTCEPSS rescore
  15. 2026-07-01 14:36 UTCEG score recompute
  16. 2026-07-01 14:36 UTCGHSA enrichment
  17. 2026-06-30 23:22 UTCEPSS rescore
  18. 2026-06-30 14:28 UTCEG score recompute
  19. 2026-06-30 14:28 UTCGHSA enrichment
  20. 2026-06-29 14:06 UTCEPSS rescore
  21. 2026-06-29 12:53 UTCEG score recompute
  22. 2026-06-29 12:53 UTCGHSA enrichment
  23. 2026-06-28 14:07 UTCEPSS rescore
  24. 2026-06-28 12:45 UTCEG score recompute
  25. 2026-06-28 12:45 UTCGHSA enrichment
Show 59 more
  1. 2026-06-28 04:56 UTCEPSS rescore
  2. 2026-06-27 12:38 UTCEG score recompute
  3. 2026-06-27 12:38 UTCGHSA enrichment
  4. 2026-06-27 03:08 UTCEPSS rescore
  5. 2026-06-26 12:30 UTCEG score recompute
  6. 2026-06-26 12:30 UTCGHSA enrichment
  7. 2026-06-25 13:49 UTCEPSS rescore
  8. 2026-06-25 13:49 UTCEPSS rescore
  9. 2026-06-25 09:55 UTCEG score recompute
  10. 2026-06-25 09:55 UTCGHSA enrichment
  11. 2026-06-24 14:05 UTCEPSS rescore
  12. 2026-06-24 09:47 UTCEG score recompute
  13. 2026-06-24 09:47 UTCGHSA enrichment
  14. 2026-06-23 21:33 UTCEPSS rescore
  15. 2026-06-23 21:33 UTCEPSS rescore
  16. 2026-06-23 09:35 UTCEG score recompute
  17. 2026-06-23 09:35 UTCGHSA enrichment
  18. 2026-06-22 14:25 UTCEPSS rescore
  19. 2026-06-22 14:25 UTCEPSS rescore
  20. 2026-06-22 04:49 UTCEG score recompute
  21. 2026-06-22 04:49 UTCGHSA enrichment
  22. 2026-06-21 14:56 UTCEPSS rescore
  23. 2026-06-21 14:56 UTCEPSS rescore
  24. 2026-06-21 02:56 UTCEG score recompute
  25. 2026-06-21 02:55 UTCGHSA enrichment
  26. 2026-06-21 01:59 UTCEPSS rescore
  27. 2026-06-20 02:35 UTCEG score recompute
  28. 2026-06-20 02:35 UTCGHSA enrichment
  29. 2026-06-19 19:25 UTCEPSS rescore
  30. 2026-06-19 19:25 UTCEPSS rescore
  31. 2026-06-19 01:48 UTCEG score recompute
  32. 2026-06-19 01:48 UTCGHSA enrichment
  33. 2026-06-18 17:52 UTCEPSS rescore
  34. 2026-06-18 17:52 UTCEPSS rescore
  35. 2026-06-18 01:40 UTCEG score recompute
  36. 2026-06-18 01:40 UTCGHSA enrichment
  37. 2026-06-17 17:53 UTCEPSS rescore
  38. 2026-06-17 01:33 UTCEG score recompute
  39. 2026-06-17 01:33 UTCGHSA enrichment
  40. 2026-06-16 17:52 UTCEPSS rescore
  41. 2026-06-16 01:26 UTCEG score recompute
  42. 2026-06-16 01:26 UTCGHSA enrichment
  43. 2026-06-15 17:49 UTCEPSS rescore
  44. 2026-06-15 01:19 UTCEG score recompute
  45. 2026-06-15 01:19 UTCGHSA enrichment
  46. 2026-06-14 23:18 UTCEPSS rescore
  47. 2026-06-14 01:12 UTCEG score recompute
  48. 2026-06-14 01:12 UTCGHSA enrichment
  49. 2026-06-13 23:00 UTCEPSS rescore
  50. 2026-06-13 01:04 UTCEG score recompute 6.50
  51. 2026-06-13 01:04 UTCGHSA enrichment
  52. 2026-06-12 23:12 UTCEPSS rescore
  53. 2026-06-12 23:12 UTCEPSS rescore
  54. 2026-06-11 14:00 UTCEPSS rescore
  55. 2026-06-10 22:18 UTCEPSS rescore
  56. 2026-06-09 23:17 UTCNVD updateCVSS v3 → 8.1 · severity → HIGH
  57. 2026-06-09 21:17 UTCNVD updateCVSS v3 → 6.5 · severity → MEDIUM
  58. 2026-06-09 19:22 UTCEG score recompute
  59. 2026-06-09 19:21 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-36720?
CVE-2026-36720 is a high vulnerability published on June 9, 2026. Insecure permissions in bookcars v8.3 allows authenticated attackers to escalate privileges from user to admin via modifying their user type.
When was CVE-2026-36720 disclosed?
CVE-2026-36720 was first published in the National Vulnerability Database 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-2026-36720 actively exploited?
CVE-2026-36720 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 16.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-36720?
CVE-2026-36720 has a CVSS v3.1 base score of 8.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 6.5.
How do I remediate CVE-2026-36720?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-36720, 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-2026-36720

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