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CVE-2026-94635— Apache Thrift: Lua `TBinaryProtocol:readMessageBegin` bypasses `checkStringSize` on the pre-versioned name

Quick assessment

Affected
Apache Software Foundation Apache Thrift
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Thrift Lua 绑定中存在长度参数处理不当的漏洞，该漏洞涉及资源分配无限制或未进行速率控制。 此漏洞影响 Apache Thrift 0.25.0 之前的所有版本。 建议用户升级至 0.25.0 版本以修复此问题。

CVSS 8.7 · High EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache Thrift < 0.25.0 affected
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I. Basic Information for CVE-2026-94635

Vulnerability Information
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Vulnerability Title
Apache Thrift: Lua `TBinaryProtocol:readMessageBegin` bypasses `checkStringSize` on the pre-versioned name
Source: CVE Program / CVE List V5
Vulnerability Description
Allocation of resources without limits or throttling, Improper handling of length parameter inconsistency vulnerability in Apache Thrift Lua bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Thrift 0 ~ 0.25.0 -

II. Public POCs for CVE-2026-94635

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III. Intelligence Information for CVE-2026-94635

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Mailing List Discussions for CVE-2026-94635 (2)

Same Patch Batch · Apache Software Foundation · 2026-10-02 · 69 CVEs total

CVE-2026-102795 9.3 CRITICAL Apache Traffic Server: SNI to Host header matching policy is not properly enforced
CVE-2026-91135 9.2 CRITICAL Apache Thrift: C++ `THeaderTransport::transform()` heap buffer overflow (write direction)
CVE-2026-83632 9.2 CRITICAL Apache Thrift: C++ THttpTransport grows its line buffer without bound
CVE-2026-63772 8.7 HIGH Apache Thrift: Unauthenticated single-packet crash of Go Thrift servers via the THeader tr
CVE-2026-86535 8.7 HIGH Apache Thrift: A JSON member name can stall the Node server's event loop indefinitely
CVE-2026-91137 8.7 HIGH Apache Thrift: PHP `thrift_protocol` accelerator: zero-byte container elements
CVE-2026-66081 8.7 HIGH Apache Thrift: c_glib read_message_begin leaves output parameters unset for non-versioned
CVE-2026-94633 8.7 HIGH Apache Thrift: Dart `TBinaryProtocol.readMessageBegin` allocates from the pre-versioned na
CVE-2026-66837 8.7 HIGH Apache Thrift: PHP accelerator sizes a stack buffer from a wire-controlled string length
CVE-2026-85494 8.7 HIGH Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift,
CVE-2026-96277 8.7 HIGH Apache Thrift: Ruby `SimpleServer` ends `serve()` on any non-Transport/Protocol exception
CVE-2026-94658 8.7 HIGH Apache Thrift: Lua `TFramedTransport`/`THttpTransport` re-slice the buffer on every read (
CVE-2026-85493 8.7 HIGH Apache Thrift, Apache Thrift: TProtocolUtil.skip follows peer-chosen nesting to any depth
CVE-2026-94642 8.7 HIGH Apache Thrift: PHP `TSimpleServer` exits the whole process on any non-transport exception
CVE-2026-94646 8.7 HIGH Apache Thrift: Node.js `server.js` ends the process on any per-connection error (+ two tri
CVE-2026-61373 8.7 HIGH Apache Thrift: Java TSaslNonblockingServer pre-auth unbounded SASL frame allocation
CVE-2026-96294 8.7 HIGH Apache Thrift: nodejs web server: no `error` listener on an upgraded WebSocket connection
CVE-2026-82458 8.7 HIGH Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift,
CVE-2026-87117 8.7 HIGH Apache Thrift: PHP `thrift_protocol` accelerator dereferences a missing container-element
CVE-2026-86537 8.7 HIGH Apache Thrift: A truncated HTTP request stops the D library's server, allowing an unauthen

Showing top 20 of 69 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Apache Thrift
Same vendor: Apache Software Foundation
Same weakness: CWE-770

V. Comments for CVE-2026-94635

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