CVE-2026-56688

CRITICALPre-NVD 9.19.1
EchelonGraph scoreMEDIUM confidence

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

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-10. A secondary CVSS source baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, a secondary CVSS source
Trending — 3 sources updated this week
9.1EG
EchelonGraph verdictPlan mitigationRemediate within your standard update timelines (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2.0%CVSS: 9.1Exploit: None knownExposed services: Not assessed

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

The CVE record's description, written by its CNA (Dell), states the affected versions: "Dell PowerFlex Manager, Version prior to 5.1.0.1, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability." No release containing a fix is confirmed on record.

Dell PowerFlex Manager, Version prior to 5.1.0.1, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability during OS Repository processing to achieve arbitrary command execution as root, potentially leading to full appliance compromise and lateral movement into managed infrastructure.

CVSS v3
9.1
EG Score
9.1CRITICALmedium confidence
EG Risk
42
EG Risk 42/100

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)
Severity91% × 45%
The EG Score, 9.1 of 10.
Exploitation2.0% × 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: 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
2.0%
EPSS %ILE
80th
KEV
Not listed

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

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 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

July 10, 2026

Last Modified

July 16, 2026

Advisory Details (1)

Auto-updated Sep 16, 2026
No fix on record yet.
Web page

DSA-2026-066: Security Update for PowerFlex Software Multiple Vulnerabilities | Dell US

https://www.dell.com/support/kbdoc/en-us/000477538/dsa-2026-066-security-update-for-powerflex-software-multiple-vulnerabilities

Vendor Advisories for CVE-2026-56688(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 16× in last 7d / 46× 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 385 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 285 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-14 10:20 UTCEG score recompute
  2. 2026-10-14 10:20 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  3. 2026-10-13 16:34 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  4. 2026-10-13 08:36 UTCEG score recompute
  5. 2026-10-13 08:36 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  6. 2026-10-12 16:34 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  7. 2026-10-12 15:54 UTCEG score recompute
  8. 2026-10-12 06:48 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  9. 2026-10-11 19:38 UTCEG score recompute
  10. 2026-10-11 16:53 UTCEG score recompute
  11. 2026-10-11 14:16 UTCEG score recompute
  12. 2026-10-11 13:49 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  13. 2026-10-10 20:00 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  14. 2026-10-09 20:07 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  15. 2026-10-08 17:13 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  16. 2026-10-07 23:48 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  17. 2026-10-06 15:18 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  18. 2026-10-05 17:43 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  19. 2026-10-04 23:22 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  20. 2026-10-03 14:26 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  21. 2026-10-02 17:56 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  22. 2026-10-01 19:50 UTCEPSS rescoreEPSS 2.0% · 80th percentile
  23. 2026-10-01 15:54 UTCEG score recompute
  24. 2026-10-01 15:54 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  25. 2026-09-30 15:03 UTCEPSS rescoreEPSS 2.0% · 80th percentile
Show 75 more
  1. 2026-09-29 15:22 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  2. 2026-09-28 13:51 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  3. 2026-09-28 09:50 UTCEG score recompute
  4. 2026-09-28 09:50 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  5. 2026-09-27 13:48 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  6. 2026-09-26 15:59 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  7. 2026-09-24 14:04 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  8. 2026-09-24 11:16 UTCEG score recompute
  9. 2026-09-24 11:16 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  10. 2026-09-23 17:54 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  11. 2026-09-23 09:53 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  12. 2026-09-23 05:47 UTCEG score recompute
  13. 2026-09-23 05:47 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  14. 2026-09-18 19:28 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  15. 2026-09-18 10:08 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  16. 2026-09-18 05:23 UTCEG score recompute
  17. 2026-09-18 05:23 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  18. 2026-09-17 19:31 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  19. 2026-09-16 14:08 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  20. 2026-09-16 05:15 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  21. 2026-09-15 03:11 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  22. 2026-09-14 07:57 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  23. 2026-09-14 03:50 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  24. 2026-09-13 23:43 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  25. 2026-09-13 16:42 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  26. 2026-09-13 12:20 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  27. 2026-09-13 08:14 UTCEG score recompute
  28. 2026-09-13 08:14 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  29. 2026-09-12 13:33 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  30. 2026-09-12 03:06 UTCEG score recompute
  31. 2026-09-12 03:06 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  32. 2026-09-11 14:53 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  33. 2026-09-10 09:35 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  34. 2026-09-08 22:01 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  35. 2026-09-08 03:02 UTCEG score recompute
  36. 2026-09-08 03:02 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  37. 2026-09-07 16:01 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  38. 2026-09-06 13:58 UTCEG score recompute
  39. 2026-09-06 13:58 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  40. 2026-09-06 13:47 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  41. 2026-09-06 02:09 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  42. 2026-09-05 21:50 UTCEG score recompute
  43. 2026-09-05 21:50 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  44. 2026-09-04 05:07 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  45. 2026-09-02 14:12 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  46. 2026-09-01 13:54 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  47. 2026-09-01 04:40 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  48. 2026-08-31 00:52 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  49. 2026-08-30 20:46 UTCEG score recompute
  50. 2026-08-30 20:46 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  51. 2026-08-30 19:17 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  52. 2026-08-30 16:40 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  53. 2026-08-30 11:11 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  54. 2026-08-30 06:29 UTCEG score recompute
  55. 2026-08-30 06:29 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  56. 2026-08-30 01:22 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  57. 2026-08-28 21:42 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  58. 2026-08-28 02:40 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  59. 2026-08-27 21:42 UTCEG score recompute
  60. 2026-08-27 21:42 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  61. 2026-08-27 14:25 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  62. 2026-08-27 00:51 UTCEG score recompute
  63. 2026-08-27 00:51 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  64. 2026-08-26 14:46 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  65. 2026-08-26 12:54 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  66. 2026-08-26 08:17 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  67. 2026-08-26 03:40 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  68. 2026-08-25 14:46 UTCEG score recompute
  69. 2026-08-25 14:46 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  70. 2026-08-25 13:49 UTCEPSS rescoreEPSS 2.0% · 79th percentile
  71. 2026-08-25 09:53 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  72. 2026-08-25 04:29 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  73. 2026-08-25 00:24 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1
  74. 2026-08-24 20:17 UTCEG score recompute
  75. 2026-08-24 20:17 UTCGHSA enrichmentGHSA-r5h9-5m8h-hw64 · GitHub severity CRITICAL · GitHub CVSS 9.1

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56688?
CVE-2026-56688 is a critical-severity vulnerability; its CVE record was published on July 10, 2026. Dell PowerFlex Manager, Version prior to 5.1.0.1, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability during OS Repository processing to…
When was CVE-2026-56688 made public?
CVE-2026-56688 was made public on July 6, 2026: that is the date its CVE record's CNA, Dell, gives for when the vulnerability was made public. The CVE record itself was published on July 10, 2026. EchelonGraph's copy of the record carries a last-modified date of July 16, 2026; the record at its source may have been updated since.
Is CVE-2026-56688 actively exploited?
CVE-2026-56688 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.0% probability of exploitation in the next 30 days (80th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-56688?
CVE-2026-56688 has a CVSS base score of 9.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-56688?
No fix for CVE-2026-56688 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 CVE record's description, written by its CNA (Dell), states the affected versions: "Dell PowerFlex Manager, Version prior to 5.1.0.1, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability." No release containing a fix is confirmed on record. The vendor advisories EchelonGraph has for CVE-2026-56688 are linked in the Vendor Advisories panel on this page.

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