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CVE-2026-82231— Apache bRPC: Malformed Thrift T_EXCEPTION reply causes process termination in Thrift client

Quick assessment

Affected
Apache Software Foundation Apache bRPC
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.

在 Apache bRPC（版本低于 1.18.0，且编译时启用了 WITH_THRIFT 选项，该选项默认关闭）中，Thrift 客户端可能因其通信的服务器对等端而崩溃。当服务器返回一个异常结构体格式错误的 T_EXCEPTION 响应时，客户端在解码过程中未能捕获 Apache Thrift 抛出的异常（包括 TProtocolException、TTransportException 或 std::length_error）。这些异常会从 bthread 任务函数中向上抛出，导致进程调用 std::termi

AI Predicted 5.3 Difficulty: Moderate

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-82231

Vulnerability Information
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Vulnerability Title
Apache bRPC: Malformed Thrift T_EXCEPTION reply causes process termination in Thrift client
Source: CVE Program / CVE List V5
Vulnerability Description
A Thrift client in Apache bRPC (version < 1.18.0, built with WITH_THRIFT which is off by default) can be crashed by the server peer it talks to. When the server returns a T_EXCEPTION reply whose exception struct is malformed, the client decodes it without catching what Apache Thrift throws (TProtocolException, TTransportException or std::length_error). The exception unwinds out of the bthread task function and the process calls std::terminate(), terminating the whole process along with every other in-flight RPC. This is the client response path, so the adversary is the server peer, which THREAT_MODEL.md treats as untrusted. It requires a WITH_THRIFT build (off by default). How to Fix: 1. Upgrade bRPC to version 1.18.0, which fixes this issue. 2. Apply this patch: https://github.com/apache/brpc/pull/3500
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未捕获的异常
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache bRPC 0 ~ 1.18.0 -

II. Public POCs for CVE-2026-82231

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III. Intelligence Information for CVE-2026-82231

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Other References for CVE-2026-82231 (1)

Same Patch Batch · Apache Software Foundation · 2026-10-21 · 39 CVEs total

CVE-2026-56386 Apache bRPC: Integer Underflow and Out-of-Bounds Read in HTTP/2 DATA Frame Parser
CVE-2026-74758 Apache bRPC: Heap Use-After-Free in RTMP Abort Message Handling
CVE-2026-74757 Apache bRPC: Uncontrolled Memory Allocation via Malicious mcpack Array Item Count
CVE-2026-74755 Apache bRPC: Integer Underflow in mcpack2pb Parser Leading to Denial of Service
CVE-2026-66392 Apache bRPC: TLS Client Accepts Certificates for Mismatched Peer Names
CVE-2026-61916 Apache bRPC: Out-of-bounds Read in URL and Header Lookup Tables on Unsigned-char Platforms
CVE-2026-61902 Apache bRPC: Memory Exhaustion Through Inconsistent Message Body Limits
CVE-2026-58064 Apache bRPC: Denial of Service via Unbounded Redis Inline Command Allocation
CVE-2026-56388 Apache bRPC: Out-of-Bounds Write in Redis Command Parser
CVE-2026-56387 Apache bRPC: Remote Memory Exhaustion in RTMP AMF Parser
CVE-2026-78048 Apache bRPC: Remote Denial of Service via Out-of-Bounds Dynamic Table Sizing in HPACK Deco
CVE-2026-54427 Apache bRPC: Stack Exhaustion via Unbounded Recursion in AMF Parser
CVE-2026-54426 Apache bRPC: Stack Exhaustion via Unbounded Recursion in Redis Reply Parser
CVE-2026-54425 Apache bRPC: Stack Exhaustion via Recursive HPACK Dynamic Table Size Update Decoding
CVE-2026-48830 Apache bRPC: HTTP builtin request can mark a connection authenticated and bypass auth for
CVE-2026-59229 Apache IoTDB: Legacy Pipe Privilege Escalation
CVE-2026-59562 Apache IoTDB: Remote code execution and Unauthenticated path traversal in legacy pipe send
CVE-2026-41114 Apache IoTDB JDBC driver: Large-scale Memory Exhaustion via BigDecimal toPlainString in JD
CVE-2026-58663 Apache IoTDB: Auth Bypass in pipeTransfer() interface
CVE-2026-82425 Apache bRPC: Reachable Assertion in Socket::OnInputEvent Allows Remote Denial of Service

Showing top 20 of 39 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Apache bRPC
Same vendor: Apache Software Foundation
Same weakness: CWE-248

V. Comments for CVE-2026-82231

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