CVE-2026-66053

MEDIUMPre-NVD 5.95.9—
EchelonGraph scoreHIGH 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: 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: —CVSS: 5.9Exploit: None knownExposed: 0

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

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(high)
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
—
EPSS %ILE
—
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(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 6× in last 7d / 6× 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.

  1. 2026-07-27 14:59 UTCGHSA enrichment
  2. 2026-07-27 13:24 UTCEG score recompute
  3. 2026-07-27 13:24 UTCGHSA enrichment
  4. 2026-07-27 12:22 UTCEG score recompute
  5. 2026-07-27 11:22 UTCEG score recompute
  6. 2026-07-27 11:22 UTCMITRE cvelistV5first tracked

Frequently asked(4)

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.
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

Explore the affected products and dependency analysis for CVE-2026-66053

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