Home/CVE/Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift. This issue affects Apache Thrift:
CVE

CVE-2026-41603

Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift. This issue affects Apache Thrift:

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.

HIGH · CVSS 7.4 EPSS 0.00028
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-297Improper Validation of Certificate with Host Mismatch
CWE-306Missing Authentication for Critical Function
▤

Affected Products & Versions

1
apache thrift< 0.23.0
▣

Scoring & Timeline

7.4
HIGH · CVSS v3.1 · security@apache.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD28 Apr 2026 · 10:16 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

5
msrcCVE-2026-41603
rhsaRHSA-2026:21769Important
rhsaRHSA-2026:22347Important
rhsaRHSA-2026:22423Important
rhsaRHSA-2026:14885Important
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.apache.org/thread/lb4j0zyd5f3g36cos0wql925przpnwqlMailing ListPatchRelease Notes
http://www.openwall.com/lists/oss-security/2026/04/28/7Mailing List
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