Uncaught Exception in Apache bRPC - CVE-2026-82231
Published: October 23, 2026
Vulnerability identifier: #VU157359
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2026-82231
CWE-ID: CWE-248
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service by terminating a bRPC Thrift client process.
The vulnerability exists due to uncaught exceptions in Apache bRPC's Thrift client response decoder when processing a malformed exception structure in a T_EXCEPTION reply. A remote attacker can return a crafted reply from a malicious server peer to make a decoding exception escape the bthread task function and invoke std::terminate(), terminating the whole process.
Affected software
Apache bRPC
How to mitigate CVE-2026-82231
Install security update from vendor's website.
Apache bRPC - update to 1.18.0