CVE record · CVE-2026-111496

Apache Kafka: Kafka Streams StreamThread hang from integer overflow in stream-time punctuation

CVSS 9.1 CriticalCriticalEPSS 0.0020 · 10th percentile

Critical, because:

CVSS score 9.1: 9.0 or more.

Published by the CVE Program (CNA: apache) at 28 Oct 2026, 16:45 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Apache Software Foundation	Apache Kafka Package name: org.apache.kafka:kafka-streams https://repo.maven.apache.org/maven2 pkg:maven/org.apache.kafka/kafka-streams	affected 1.1.0 to 4.1.2, inclusive semver affected 4.2.0 to 4.2.1, inclusive semver affected 4.3.0 to 4.3.1, inclusive semver Other versions: unaffected

Identifiers: CVE-2026-111496
CNA: apache
Weakness (CWE): CWE-190 · CWE-835
Tags: Apache Software Foundation Apache Kafka
Memory corruption
Denial of service
Published: 28 Oct 2026
Updated: 5 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.1	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H	ADP (CISA-ADP)

CISA KEV Not listed.
EPSS 0.0020, the 10th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

28 Oct 2026, 16:45 UTC Confirmed by the CVE List
28 Oct 2026, 17:17 UTC Confirmed by NVD

Sources

References from the CNA

kafka.apache.org/cve-list vendor-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.