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CVE-2026-83525

unscored Published
NVD · CVE.org

Incorrect operator (CWE-480) in the FetchSnapshot RPC handler in Apache Kafka from 2.8.0 before 4.2.2, and from 4.3.0 before 4.3.2 on all platforms allows an authenticated attacker with CLUSTER_ACTION privilege to cause a denial of service (controller process termination) via a crafted FetchSnapshotRequest with an empty topics array or a topic with no partitions. Users are recommended to upgrade to version 4.2.2, 4.3.2, or 4.4.0, which fix this issue. Users on unsupported branches (4.1.x and earlier) should upgrade to 4.2.2 or later.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 8

  1. StatusReceived → PublishedNVD modified 2026-10-28 20:07
  2. StatusPublished → ReceivedNVD modified 2026-10-28 20:18
  3. StatusReceived → PublishedNVD modified 2026-10-28 16:37
  4. References+1 references (now 3)NVD modified 2026-10-28 20:18
  5. StatusPublished → ReceivedNVD modified 2026-10-28 20:18
  6. StatusReceived → PublishedNVD modified 2026-10-28 16:37
  7. StatusPublished → ReceivedNVD modified 2026-10-28 17:18
  8. First seenunscored · apache software foundationNVD modified 2026-10-28 16:37

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3