CVE Watch17 jul 2026

CVE-2026-10143

kafka-python prior to 2.3.2 contains a denial-of-service vulnerability in SCRAM authentication handling that allows a malicious or machine-i

CVSS

7.5

Alto

EPSS

0.5%

p41

KEV

—

Exploit Today

0-100

Publicado: 10 jun 2026 · Última mod.: 17 jul 2026 · CWE-400 · CWE-606

EPSS · 30d

0.5%EPSS · 30 días0.5%

2026-06-302026-07-17

Descripción técnica

kafka-python prior to 2.3.2 contains a denial-of-service vulnerability in SCRAM authentication handling that allows a malicious or machine-in-the-middle broker to freeze the client event loop by supplying an excessively large iteration count. In scram.py, ScramClient.process_server_first_message() passes the broker-controlled SCRAM iteration count directly to hashlib.pbkdf2_hmac() without validation, blocking producer sends, consumer polls, admin operations, and heartbeats, which can cause consumer group eviction and repeated reconnect failures.

Referencias oficiales

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