CVE-2026-59799

HIGHPre-NVD 8.88.8
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to the CVSS score beside it.

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-21. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: CISA-ADP (Vulnrichment) CVSS v3.1, EPSS, GitHub Security Advisory
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.6%CVSS: 8.8Exploit: None knownExposed services: Not assessed

The CVE record names the fixed release — apply it.

Improper Privilege Management vulnerability in Apache CloudStack's Two-factor authentication plugin allowing bypass of the two-factor authentication disable flow.

This issue affects Apache CloudStack: from 4.18.0.0 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
8.8
EG Score
8.8HIGHmedium confidence
EG Risk
40
EG Risk 40/100

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 (value × EchelonGraph’s weight)
Severity88% × 45%
The EG Score, 8.8 of 10.
Exploitation0.6% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Track* at high (mission-essential systems).
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: The CVE record names the fixed release. Apply it within your standard update timelines.
EPSS PROB
0.6%
EPSS %ILE
47th
KEV
Not listed

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Track* at high (mission-essential systems).

The CVE record names the fixed release. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

August 21, 2026

Last Modified

August 27, 2026

Advisory Details (1)

Auto-updated Aug 24, 2026
Fix named in the CVE record.

Vendor Advisories for CVE-2026-59799(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 18× in last 7d / 104× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 100 of 194 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. None are among the latest 100 rows. The 94 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-14 16:33 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  2. 2026-10-13 16:34 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  3. 2026-10-13 15:51 UTCEG score recompute
  4. 2026-10-13 15:51 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  5. 2026-10-12 16:34 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  6. 2026-10-12 15:52 UTCEG score recompute
  7. 2026-10-11 19:36 UTCEG score recompute
  8. 2026-10-11 16:51 UTCEG score recompute
  9. 2026-10-11 14:13 UTCEG score recompute
  10. 2026-10-11 13:49 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  11. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  12. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  13. 2026-10-09 06:08 UTCEG score recompute
  14. 2026-10-09 06:08 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  15. 2026-10-08 17:13 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  16. 2026-10-08 04:59 UTCEG score recompute
  17. 2026-10-08 04:59 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  18. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  19. 2026-10-07 01:14 UTCEG score recompute
  20. 2026-10-07 01:14 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  21. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  22. 2026-10-06 13:59 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  23. 2026-10-06 03:06 UTCEG score recompute
  24. 2026-10-06 03:06 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  25. 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.6% · 47th percentile
Show 75 more
  1. 2026-10-05 13:51 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  2. 2026-10-05 02:32 UTCEG score recompute
  3. 2026-10-05 02:32 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  4. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  5. 2026-10-04 15:39 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  6. 2026-10-04 04:22 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  7. 2026-10-03 17:25 UTCEG score recompute
  8. 2026-10-03 17:25 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  9. 2026-10-03 14:26 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  10. 2026-10-03 06:33 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  11. 2026-10-02 19:12 UTCEG score recompute
  12. 2026-10-02 19:11 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  13. 2026-10-02 17:56 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  14. 2026-10-02 08:18 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  15. 2026-10-01 21:26 UTCEG score recompute
  16. 2026-10-01 21:26 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  17. 2026-10-01 19:50 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  18. 2026-10-01 07:21 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  19. 2026-09-30 20:29 UTCEG score recompute
  20. 2026-09-30 20:29 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  21. 2026-09-30 15:03 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  22. 2026-09-30 07:58 UTCEG score recompute
  23. 2026-09-30 07:58 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  24. 2026-09-29 15:22 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  25. 2026-09-28 23:57 UTCEG score recompute
  26. 2026-09-28 23:57 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  27. 2026-09-28 13:51 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  28. 2026-09-28 12:52 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  29. 2026-09-28 01:59 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  30. 2026-09-27 14:45 UTCEG score recompute
  31. 2026-09-27 14:45 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  32. 2026-09-27 13:48 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  33. 2026-09-27 02:35 UTCEG score recompute
  34. 2026-09-27 02:35 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  35. 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  36. 2026-09-25 17:15 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  37. 2026-09-25 05:55 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  38. 2026-09-24 19:02 UTCEG score recompute
  39. 2026-09-24 19:02 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  40. 2026-09-24 14:04 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  41. 2026-09-24 06:54 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  42. 2026-09-23 20:02 UTCEG score recompute
  43. 2026-09-23 20:02 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  44. 2026-09-23 17:54 UTCEPSS rescoreEPSS 0.3% · 25th percentile
  45. 2026-09-23 08:07 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  46. 2026-09-22 21:14 UTCEG score recompute
  47. 2026-09-22 21:14 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  48. 2026-09-22 10:22 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  49. 2026-09-21 23:29 UTCEG score recompute
  50. 2026-09-21 23:29 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  51. 2026-09-21 12:36 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  52. 2026-09-21 01:43 UTCEG score recompute
  53. 2026-09-21 01:43 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  54. 2026-09-20 20:16 UTCEPSS rescoreEPSS 0.3% · 25th percentile
  55. 2026-09-20 14:33 UTCEG score recompute
  56. 2026-09-20 14:33 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  57. 2026-09-20 03:41 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  58. 2026-09-19 16:48 UTCEG score recompute
  59. 2026-09-19 16:48 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  60. 2026-09-19 05:56 UTCEG score recompute
  61. 2026-09-19 05:55 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  62. 2026-09-18 19:28 UTCEPSS rescoreEPSS 0.3% · 25th percentile
  63. 2026-09-18 19:03 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  64. 2026-09-18 08:10 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  65. 2026-09-17 21:17 UTCEG score recompute
  66. 2026-09-17 21:17 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  67. 2026-09-17 19:31 UTCEPSS rescoreEPSS 0.3% · 25th percentile
  68. 2026-09-17 08:35 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  69. 2026-09-16 21:42 UTCEG score recompute
  70. 2026-09-16 21:42 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  71. 2026-09-16 14:08 UTCEPSS rescoreEPSS 0.3% · 25th percentile
  72. 2026-09-16 10:45 UTCEG score recompute
  73. 2026-09-16 10:45 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8
  74. 2026-09-16 05:15 UTCEPSS rescoreEPSS 0.3% · 24th percentile
  75. 2026-09-15 23:38 UTCGHSA enrichmentGHSA-vw73-w3p2-w2rj · GitHub severity HIGH · GitHub CVSS 8.8

Frequently asked(5)

What is CVE-2026-59799?
CVE-2026-59799 is a high-severity vulnerability; its CVE record was published on August 21, 2026. Improper Privilege Management vulnerability in Apache CloudStack's Two-factor authentication plugin allowing bypass of the two-factor authentication disable flow. This issue affects Apache CloudStack: from 4.18.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to…
When was the CVE record for CVE-2026-59799 published?
The CVE record for CVE-2026-59799 was published on August 21, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of August 27, 2026; the record at its source may have been updated since.
Is CVE-2026-59799 actively exploited?
CVE-2026-59799 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% probability of exploitation in the next 30 days (47th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-59799?
CVE-2026-59799 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-59799?
The CVE record for CVE-2026-59799 names the fix: "Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue." The vendor advisories EchelonGraph has for CVE-2026-59799 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-59799

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