High [CVE-2026-35337] Apache Storm: Deserialization of Untrusted Data vulnerability in Apache Storm.
This high-severity Apache Software Foundation advisory covers CVE-2026-35337 affecting Apache Storm.
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Summary
Deserialization of Untrusted Data vulnerability in Apache Storm.
Versions Affected: before 2.8.6.
When processing topology credentials submitted via the Nimbus Thrift API, Storm deserializes the base64-encoded TGT blob using ObjectInputStream.readObject() without any class filtering or validation.
An authenticated user with topology submission rights could supply a crafted serialized object in the "TGT" credential field, leading to remote code execution in both the Nimbus and Worker JVMs.
- 2.8.6
Official advisory · high-confidence parse· fetched 4 months ago·verify at source
Mitigation
Upgrade to a fixed release: 2.8.6. That is the remediation for this advisory.
The vendor advisory may list interim mitigations or workarounds not captured here. Review it before change work.
Official advisory · high-confidence parse· fetched 4 months ago·verify at source
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