CVE-2026-19755

MEDIUMPre-NVD 6.96.9—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.9 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.1% (2nd percentile of EPSS-scored CVEs). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
6.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 6.9Exploit: None knownExposed services: Not assessed

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

NoSleep 1.5.1 exposes a privileged XPC Mach service and accepts raw dictionary messages containing attacker-controlled command and NSBundlePath values.This issue affects NoSleep: 1.5.1.

CVSS v3
6.9
EG Score
6.9MEDIUMmedium confidence
EG Risk
31
EG Risk 31/100CISA 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
Severity69% × 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
0.1%
EPSS %ILE
2nd
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 20, 2026

Last Modified

August 28, 2026

Advisory Details (2)

Auto-updated Aug 20, 2026
No patch confirmed yet.
generic

GitHub - integralpro/nosleep: The MacOS X kernel extension, preventing sleep when you close the lid. · GitHub

https://github.com/integralpro/nosleep/
generic

NoSleep 1.5.1 - Unauthorized disclosure of root-owned files through privileged XPC helper | Fluid Attacks

https://fluidattacks.com/advisories/iggy

Vendor Advisories for CVE-2026-19755(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 / 70× 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 112 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-19755?
CVE-2026-19755 is a medium vulnerability published on August 20, 2026. NoSleep 1.5.1 exposes a privileged XPC Mach service and accepts raw dictionary messages containing attacker-controlled command and NSBundlePath values.This issue affects NoSleep: 1.5.1.
When was CVE-2026-19755 disclosed?
CVE-2026-19755 was first published on August 20, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19755 actively exploited?
CVE-2026-19755 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (2nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-19755?
CVE-2026-19755 has a CVSS base score of 6.9 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-19755?
No fix for CVE-2026-19755 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-2026-19755 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-19755

Explore →

Is Your Infrastructure Affected by CVE-2026-19755?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Book a Demo →Browse All CVEs