CVE-2026-66053

MEDIUMPre-NVD 5.95.9—
EchelonGraph scoreMEDIUM confidence

Score 5.9 from GitHub Security Advisory published 2026-07-27. a secondary CVSS source baseline 5.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.9Exploit: None knownExposed: 0

A fix is available — apply it.

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

This issue affects Apache Thrift: before 0.24.0.

Users are recommended to upgrade to version 0.24.0, which fixes the issue.

This replaces CVE-2026-41603

CVSS v3
5.9
EG Score
5.9(medium)
EG Risk
31(Track)
EG Risk 31/100SSVC: 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
Severity59% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
12%
KEV
Not listed

Published

July 27, 2026

Last Modified

July 27, 2026

Advisory Details (2)

Auto-updated Jul 27, 2026
No patch confirmed yet.
generic
https://lists.apache.org/thread/w4k5dnv1x58knwlhpo9x0or5xh220y65
generic
https://lists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb109g8b9

Vendor Advisories for CVE-2026-66053(2)

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

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatthrift-main-0.24.0-0.1.hum12026-08-03redhat

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 ... 0.24.0-1 (20 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
thrift0.19.0-4 ... 0.24.0-1 (10 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
thrift0.19.0-4 ... 0.23.0-2 (8 versions)0.23.0-3—
PyPI(1)
PackageVulnerable rangeFixed inDependents
thrift0.10.0 ... 0.9.3 (17 versions)0.24.0—

Weakness Classification(1)

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

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 13× in last 7d / 83× 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 152 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-66053?
CVE-2026-66053 is a medium vulnerability published on July 27, 2026. Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift Python bindings. This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue. This replaces CVE-2026-41603
When was CVE-2026-66053 disclosed?
CVE-2026-66053 was first published in the National Vulnerability Database on July 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66053 actively exploited?
CVE-2026-66053 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 88.3% of all scored CVEs.
What is the CVSS score of CVE-2026-66053?
CVE-2026-66053 has a CVSS v3 base score of 5.9 (NVD).
How do I remediate CVE-2026-66053?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66053, 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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