CVE-2026-49303

MEDIUMPre-NVD 5.15.1—
EchelonGraph scoreMEDIUM confidence

Score 5.1 from GitHub Security Advisory published 2026-08-17. A secondary CVSS source baseline 5.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 5.1Exploit: None knownExposed services: Not assessed

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

Permission control vulnerability in the notification module. Impact: Successful exploitation of this vulnerability may affect availability.

CVSS v3
5.1
EG Score
5.1MEDIUMmedium confidence
EG Risk
23
EG Risk 23/100CISA 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
Severity51% × 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
1st
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 17, 2026

Last Modified

August 28, 2026

Advisory Details (2)

Auto-updated Aug 17, 2026
No patch confirmed yet.
generic

Security Bulletins for HUAWEI Vision, August 2026

https://consumer.huawei.com/en/support/bulletinvision/2026/8/
generic

Security Bulletins for HUAWEI Phones/Tablets, August 2026

https://consumer.huawei.com/en/support/bulletin/2026/8/

Vendor Advisories for CVE-2026-49303(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 14× in last 7d / 59× 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 104 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-49303?
CVE-2026-49303 is a medium vulnerability published on August 17, 2026. Permission control vulnerability in the notification module. Impact: Successful exploitation of this vulnerability may affect availability.
When was CVE-2026-49303 disclosed?
CVE-2026-49303 was first published on August 17, 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-2026-49303 actively exploited?
CVE-2026-49303 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (1st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-49303?
CVE-2026-49303 has a CVSS base score of 5.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-49303?
No fix for CVE-2026-49303 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-2026-49303 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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