CVE-2026-43701

HIGHPre-NVD 7.18.3▲
EchelonGraph scoreMEDIUM confidence

Score 8.3 from GitHub Security Advisory (severity: HIGH) published 2026-06-29. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.1; sources differ by 1.2.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
8.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.1Exploit: None knownExposed: 0

A fix is available — apply it.

The issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious website may be able to process restricted web content outside the sandbox.

CVSS v3
7.1
EG Score
8.3(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity83% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
41%
KEV
Not listed

Published

June 29, 2026

Last Modified

August 17, 2026

Advisory Details (3)

Auto-updated Jun 30, 2026
No patch confirmed yet.
generic

About the security content of Safari 26.5.2 - Apple Support

https://support.apple.com/en-us/127685
generic

About the security content of macOS Tahoe 26.5.2 - Apple Support

https://support.apple.com/en-us/127595
generic

About the security content of iOS 26.5.2 and iPadOS 26.5.2 - Apple Support

https://support.apple.com/en-us/127594

Vendor Advisories for CVE-2026-43701(5)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatwebkit2gtk3-0:2.52.5-1.el9_42026-08-13redhat
redhatwebkit2gtk3-0:2.52.5-1.el9_62026-08-13redhat
redhatwebkit2gtk3-0:2.52.5-1.el8_102026-07-20redhat
redhatwebkit2gtk3-0:2.52.5-1.el9_82026-07-20redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(8 across 4 ecosystems)
Debian:11(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk2.32.3-1 ... 2.53.4-1 (246 versions)——
wpewebkit2.32.3-2 ... 2.52.5-1 (90 versions)——
Debian:12(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk2.40.1-1 ... 2.53.4-1 (161 versions)——
wpewebkit2.38.6-1 ... 2.52.5-1 (53 versions)——
Debian:13(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk2.48.3-1 ... 2.52.4-1 (48 versions)2.52.5-1~deb13u1—
wpewebkit2.48.3-1 ... 2.52.5-1 (19 versions)——
Debian:14(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk2.48.3-1 ... 2.52.5-1~deb13u1 (49 versions)2.52.5-1—
wpewebkit2.48.3-1 ... 2.52.4-1 (18 versions)2.52.5-1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 39× in last 7d / 155× 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 210 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-43701?
CVE-2026-43701 is a high vulnerability published on June 29, 2026. The issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious website may be able to process restricted web content outside the sandbox.
When was CVE-2026-43701 disclosed?
CVE-2026-43701 was first published in the National Vulnerability Database on June 29, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-43701 actively exploited?
CVE-2026-43701 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 59.2% of all scored CVEs.
What is the CVSS score of CVE-2026-43701?
CVE-2026-43701 has a CVSS v3.1 base score of 7.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.3.
How do I remediate CVE-2026-43701?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-43701, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-43701

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