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A large number of OffsetForLeaderEpochRequest when broker node shutdown or leader elections

Status: Open.

#5357 In confluentinc/librdkafka;

· fengqiusuo opened on Mar 14, 2026

NULL Dereference in LeaveGroup When Coordinator Is Unavailable

Status: Open.

#5347 In confluentinc/librdkafka;

· MAlostaz (MAlostaz) opened on Mar 5, 2026

Race condition: rd_kafka_assign() with RD_KAFKA_OFFSET_INVALID followed by rd_kafka_assign() with explicit offsets — stale OffsetFetchResponse overwrites explicit offsets

Status: Open.

#5345 In confluentinc/librdkafka;

· Henrik Larsson Hestnes (henrikhestnes) opened on Mar 5, 2026

Consumer should not throw away already fetched data for paused partitions

consumer

enhancement

Status: Open.

#5343 In confluentinc/librdkafka;

· Nicholas Ngai (nicholasngai) opened on Mar 4, 2026

Libcurl <8.18.0 security vulnerability

security

Status: Open.

#5331 In confluentinc/librdkafka;

· Jonathan Sillak (josill) opened on Feb 26, 2026

Homebrew installation is broken

Status: Open.

#5326 In confluentinc/librdkafka;

· Edward Surov (remorhaz) opened on Feb 24, 2026

poll(0) blocks indefinitely when log.queue=true and debug is enabled — goto retry in rd_kafka_q_pop_serve() skips timeout check

Status: Open.

#5325 In confluentinc/librdkafka;

· nadavgolden opened on Feb 23, 2026

EXC_BAD_ACCESS (NULL pointer dereference) on rdk:main thread when connected broker goes down

Status: Open.

#5315 In confluentinc/librdkafka;

· Ender Wang (Ender-Wang) opened on Feb 16, 2026

CLA signing tool links to restricted document

Status: Open.

#5306 In confluentinc/librdkafka;

· JackKelly-Bellroy opened on Feb 11, 2026

OpenSSL CMS Buffer Overflow Vulnerability

security

Status: Open.

#5305 In confluentinc/librdkafka;

· Xueyang (XYFargo) opened on Feb 9, 2026

librdkafka v2.13.0 Stops Rebootstrap and Clears Brokers on "0 brokers but topic>0" MetadataResponse, Causing Permanent Client Disconnection

Status: Open.

#5301 In confluentinc/librdkafka;

· Karen Alexander (ida1kd) opened on Feb 6, 2026

Add a new configuration to specify the path to the kerberos ticket cache

Status: Open.

#5296 In confluentinc/librdkafka;

· Makoto "Dave" Nakai (makotonakai) opened on Feb 2, 2026