CVE-2026-65613

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2026-08-21. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 4.3Exploit: None knownExposed services: Not assessed

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

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's Webhook module while listing and deleting deliveries.

This issue affects Apache CloudStack: from 4.20.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.

Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.

CVSS v3
4.3
EG Score
4.3MEDIUMmedium confidence
EG Risk
20
EG Risk 20/100CISA SSVC

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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.5%
EPSS %ILE
37th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 21, 2026

Last Modified

August 27, 2026

Advisory Details (1)

Auto-updated Aug 24, 2026
No fix on record yet.
generic
https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc

Vendor Advisories for CVE-2026-65613(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 19× in last 7d / 73× 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 128 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-65613?
CVE-2026-65613 is a medium vulnerability published on August 21, 2026. Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's Webhook module while listing and deleting deliveries. This issue affects Apache CloudStack: from 4.20.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to version…
When was CVE-2026-65613 disclosed?
CVE-2026-65613 was first published on August 21, 2026, with the most recent update on August 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-65613 actively exploited?
CVE-2026-65613 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (37th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-65613?
CVE-2026-65613 has a CVSS v3.1 base score of 4.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-65613?
No fix for CVE-2026-65613 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-65613 are linked in the Vendor Advisories panel on this page.

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