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TI-2026-47034 Aliases CVE-2026-66053GHSA-hwrj-9rr4-24xh

Apache Thrift: Python TSSLSocket Hostname Matcher Import

Priority LOW 26CWE-297Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 1 fixed, 4 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00292 21st percentileScored 2026-11-07
Fix Partial Apache Thrift (Apache Software Foundation): 0.24.0thrift (PyPI): 0.24.0Red Hat: 1 advisoryRed Hat: 1 fixed, 4 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Thriftbefore 0.24.00.24.0Patch availableCNA
—thrift (PyPI)before 0.24.00.24.0Patch availableGHSA-hwrj-9rr4-24xh
  • Apache Thrift VendorApache Affected before 0.24.0 Fixed in 0.24.0 Patch available CNA
  • thrift (PyPI) Vendor— Affected before 0.24.0 Fixed in 0.24.0 Patch available GHSA-hwrj-9rr4-24xh

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:thrift:*:*:*:*:*:*:*:*before 0.24.0VulnerableApache
  • cpe:2.3:a:apache:thrift:*:*:*:*:*:*:*:* Versions before 0.24.0 Vulnerable ·Apache

Remediation

  • Fix · CNA Apache Thrift (Apache Software Foundation) Fixed in 0.24.0
  • Fix · GHSA-hwrj-9rr4-24xh thrift (PyPI) Fixed in 0.24.0 Advisory →

Red Hat 1 advisory

  • RHSA-2026:49837 Released 2026-08-03 · Red Hat rating Important
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images perl-thrift-0.24.0-0.1.hum1@noarch@public-hummingbird-aarch64-rpms, perl-thrift-0.24.0-0.1.hum1@noarch@public-hummingbird-x86_64-rpms, python3-thrift-0.24.0-0.1.hum1@aarch64 +10

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Apache Thrift — lists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb109g8b9

    15 records Highest priority Priority MEDIUM 10 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2026-40373 Apache Thrift: C++ ZLIB heap buffer overflow (write) in THeaderTransport::untransform()Priority MEDIUM 50
    • TI-2026-42227 Apache Thrift: C++ THeaderTransport::readString() info-header length bounds bypassPriority MEDIUM 46
    • TI-2026-42014 Apache Thrift: Rust binary protocol non-strict path missing string size limitPriority MEDIUM 46
    Show all 15 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Ceph Storage 7Affected—
Red Hat Ceph Storage 8Affected—
Red Hat Ceph Storage 9Affected—
Red Hat Enterprise Linux AI (RHEL AI) 3AffectedNo fix yet: Fix deferred
Red Hat Hardened ImagesFixed RHSA-2026:49837

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-66053
  2. 2026-10-03 Alias added: GHSA-hwrj-9rr4-24xh
  3. 2026-10-16 Affected versions changed · Red Hat

References

Advisory 3

Other 1

  • TI-2026-40373 Apache Thrift: C++ ZLIB heap buffer overflow (write) in THeaderTransport::untransform() CVSS 4.0CRITICAL 9.3
  • TI-2016-04675 Command injection in Apache Thrift CVSS 3.0HIGH 8.8
  • TI-2026-42227 Apache Thrift: C++ THeaderTransport::readString() info-header length bounds bypass CVSS 4.0HIGH 8.7
  • TI-2026-42014 Apache Thrift: Rust binary protocol non-strict path missing string size limit CVSS 4.0HIGH 8.7
  • TI-2026-40371 Integer overflow in Apache Thrift CVSS 4.0HIGH 8.7
  • TI-2026-40370 Apache Thrift: Node.js quadratic-time DoS in server receive transports CVSS 4.0HIGH 8.7
See all 31 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences