Is org.hyperledger.fabric-sdk-java:fabric-sdk-java affected by CVE-2026-41586?

Maven org.hyperledger.fabric-sdk-java:fabric-sdk-java is affected in >=1.0.0 <=2.2.26.

Is CVE-2026-41586 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

critical

CVE-2026-41586

Q: Is CVE-2026-41586 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

Maven · org.hyperledger.fabric-sdk-java:fabric-sdk-java

Summary

fabric-sdk-java has ObjectInputStream.readObject() without ObjectInputFilter, which allows Java deserialization RCE

Severity: critical
EPSS: 0.4% (p33)
Also known as: GHSA-prf8-cf2x-rhx7, BIT-hyperledger-fabric-orderer-2026-41586, BIT-hyperledger-fabric-peer-2026-41586, BIT-hyperledger-fabric-tools-2026-41586
Published: 2026-04-29

References

https://github.com/hyperledger/fabric/security/advisories/GHSA-prf8-cf2x-rhx7
https://nvd.nist.gov/vuln/detail/CVE-2026-41586
https://github.com/hyperledger/fabric-sdk-java

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.