PatchTheCVECVE-2026-10142: kafka-python prior to 2.3.2 contains a denial-of-service vulnerability in the protocol parser that allows a ma
CVE-2026-10142 is a high-severity flaw (CVSS 7.5) affecting kafka-python. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
kafka-python prior to 2.3.2 contains a denial-of-service vulnerability in the protocol parser that allows a malicious broker or machine-in-the-middle attacker to exhaust memory or hang connections by sending a crafted 4-byte frame length value without bounds validation. Attackers can send a specially crafted frame length through the receive_bytes() function to trigger either a multi-gigabyte memory allocation or an uncaught ValueError that leaves
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 72%) |
| CISA exploited list | No |
| Weakness | CWE-789 |
| Published | 2026-06-10 |
| Last modified | 2026-10-08 |
Last updated 2026-10-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-10142?
kafka-python: upgrade to 2.3.2. Exact commands for each OS are on this page.
Is CVE-2026-10142 being exploited?
CVE-2026-10142 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-10142 affect?
CVE-2026-10142 affects kafka-python. Severity is high (CVSS 7.5). kafka-python prior to 2.3.2 contains a denial-of-service vulnerability in the protocol parser that allows a malicious broker or machine-in-the-middle attacker to exhaust memory or hang connections by sending a crafted 4-byte frame length va
How urgent is CVE-2026-10142?
Priority 38/100. High severity; Remotely exploitable, no login, no user action
Software pages
Python vulnerabilities · Apache Kafka vulnerabilities
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