CVE-2026-41603

Rejected after incorrect binding and version assignment

Published Apr 28, 2026 · Updated Apr 28, 2026

CVE-2026-41603 is rejected because its Apache Thrift language-binding scope and fixed version were incorrectly recorded. Apache replaced it with CVE-2026-66053 for a Python TSSLSocket hostname-matcher import issue before 0.24.0; the precise import failure is undisclosed. No vulnerability, affected range, or detection target remains assigned to this rejected identifier.

CVSS severityUnavailable
Unscored
EPSS probabilityUnavailable
No score available in this record
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

CVE-2026-41603 is rejected because its Apache Thrift language-binding scope and fixed version were incorrectly recorded. Apache replaced it with CVE-2026-66053 for a Python TSSLSocket hostname-matcher import issue before 0.24.0; the precise import failure is undisclosed. No vulnerability, affected range, or detection target remains assigned to this rejected identifier.

The record

CVE
CVE-2026-41603
Published
Apr 28, 2026
Updated
Apr 28, 2026
Vendor
The Apache Software Foundation
Product
Apache Thrift
Classifications
Unavailable
Attack vector
Unavailable
Privileges
Unavailable

Timeline

How it unfolded

  1. Apr 28, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=0 <0.23.0

What conditions does exploitation require?

Attack vectorUnavailable in this record.
Required privilegesUnavailable in this record.

What is affected?

The Apache Software Foundation · Apache Thriftversion=0 <0.23.0

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
VectorUnavailable
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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