CVE-2026-43869

HIGHPre-NVD 7.37.3
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-05-05. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.3Exploit: None knownExposed: 0

A fix is available — apply it.

Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift.

This issue affects Apache Thrift: before 0.23.0.

Users are recommended to upgrade to version 0.23.0, which fixes the issue.

CVSS v3
7.3
EG Score
7.3(medium)
EG Risk
48(Track)
EG Risk 48/100SSVC: 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
Severity73% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
48%
KEV
Not listed

Published

May 5, 2026

Last Modified

August 20, 2026

Advisory Details (2)

Auto-updated May 6, 2026
No patch confirmed yet.
generic

oss-security - CVE-2026-43869: Apache Thrift: TSSLTransportFactory.java hostname verification

http://www.openwall.com/lists/oss-security/2026/05/05/3

Patch Availability(14)

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

(5 across 5 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
thrift0.13.0-6 ... 0.23.0-3 (29 versions)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
thrift0.17.0-2 ... 0.23.0-3 (19 versions)
Debian:13(1)
PackageVulnerable rangeFixed inDependents
thrift0.19.0-4 ... 0.23.0-3 (9 versions)
Debian:14(1)
PackageVulnerable rangeFixed inDependents
thrift0.19.0-4 ... 0.23.0-2 (8 versions)0.23.0-3
Maven(1)
PackageVulnerable rangeFixed inDependents
org.apache.thrift:libthrift0.10.0 ... 0.9.3-1 (24 versions)0.23.0

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 21× in last 7d / 94× 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 201 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-43869?
CVE-2026-43869 is a high vulnerability published on May 5, 2026. Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.
When was CVE-2026-43869 disclosed?
CVE-2026-43869 was first published in the National Vulnerability Database on May 5, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-43869 actively exploited?
CVE-2026-43869 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 52.4% of all scored CVEs.
What is the CVSS score of CVE-2026-43869?
CVE-2026-43869 has a CVSS v3.1 base score of 7.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-43869?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-43869, 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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