CVE-2026-49435

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-04. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

Keysight IxChariot Endpoint and associated products contain a stack-based buffer overflow. An unauthenticated remote attacker can send a specially crafted packet and execute arbitrary code with administrative privileges.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

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
Severity98% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
53%
KEV
Not listed

Published

August 4, 2026

Last Modified

August 4, 2026

Advisory Details (2)

Auto-updated Aug 18, 2026
No patch confirmed yet.
generic
https://www.cve.org/CVERecord?id=CVE-2026-49435
generic
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-216-01.json

Vendor Advisories for CVE-2026-49435(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 55× in last 7d / 131× 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 131 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-49435?
CVE-2026-49435 is a critical vulnerability published on August 4, 2026. Keysight IxChariot Endpoint and associated products contain a stack-based buffer overflow. An unauthenticated remote attacker can send a specially crafted packet and execute arbitrary code with administrative privileges.
When was CVE-2026-49435 disclosed?
CVE-2026-49435 was first published in the National Vulnerability Database on August 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-49435 actively exploited?
CVE-2026-49435 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 47.0% of all scored CVEs.
What is the CVSS score of CVE-2026-49435?
CVE-2026-49435 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-49435?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-49435, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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