Improper Certificate Validation Issue in Apache Thrift by Apache
CVE-2026-66053

5.9MEDIUM

Key Information:

Vendor

Apache
Status
Apache Thrift
Vendor
CVE Published:
27 July 2026

What is CVE-2026-66053?

An improper validation vulnerability exists in the Apache Thrift Python bindings that could allow attackers to exploit certificate mismatch issues. This flaw affects versions prior to 0.24.0. Users are strongly advised to upgrade to version 0.24.0 or later to mitigate risks associated with this vulnerability. This issue has been recognized as a replacement for a previously identified CVE.

Affected Version(s)

Apache Thrift 0 < 0.24.0

References

https://lists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb...
vendor-advisory
https://lists.apache.org/thread/w4k5dnv1x58knwlhpo9x0or5x...
vendor-advisory

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Yu Bao – yubao@paypal.com, who works for paypal.com
.