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🛡️ CVE-2026-66053 — thrift

🟡 CVSS 5.0 — Medium ✅ No Known Exploit CWE-297 OSV
5.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Apache Thrift: Python TSSLSocket Hostname Matcher Import

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

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: None.
  • Availability impact: None.

Weakness class

CVE-2026-66053 is classified as CWE-297: Improper Validation of Certificate with Host Mismatch. The product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host.

Affected software

CVE-2026-66053 is recorded against 1 package.

  • thrift

Timeline and source

Published on 28 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

lists.apache.org (Web)
lists.apache.org (Web)
nvd.nist.gov (Web)

Other advisories for this package

thrift has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-297: Improper Validation of Certificate with Host Mismatch) in other software:

Details

Severity MEDIUM
CVSS Score 5.0
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE CWE-297
Public Exploit ✅ No
Source OSV
Published 2026-07-28
Updated 2026-08-20
Modified 2026-07-28
Fix URL N/A

Affected Packages

Software From version Fixed in
thrift

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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