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CVE-2026-41586

Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. From versions 1.0.0 to 2.2.26, Channel.java implements readObject() and exposes deSerializeChannel() which call ObjectInputStream.readObject() on untrusted byte arrays without configuring an ObjectInputFilter. This is a classic Java deserialization RCE pattern. At time of publication, there are no publicly available patches.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:aa2ccdabd8473cc96e79c8c596ee837607a9f15be2b0f656648750476eab1f8d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"fabric","vendor":"hyperledger","versions":[{"status":"affected","version":">= 1.0.0, <= 2.2.26"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:153aa802006b78b0d52cd7619af0c846d4e6dae6df02ee1ce97f466e26d81360 · sha256:4d47ca9b16163972… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:153aa802006b78b0d52cd7619af0c846d4e6dae6df02ee1ce97f466e26d81360 · sha256:4d47ca9b16163972… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-502","description":"CWE-502: Deserialization of Untrusted Data","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:153aa802006b78b0d52cd7619af0c846d4e6dae6df02ee1ce97f466e26d81360 · sha256:4d47ca9b16163972… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["exploit"],"url":"https://github.com/hyperledger/fabric/security/advisories/GHSA-prf8-cf2x-rhx7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:153aa802006b78b0d52cd7619af0c846d4e6dae6df02ee1ce97f466e26d81360 · sha256:4d47ca9b16163972… · /containers/adp/0/references/0
{"name":"https://github.com/hyperledger/fabric/security/advisories/GHSA-prf8-cf2x-rhx7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/hyperledger/fabric/security/advisories/GHSA-prf8-cf2x-rhx7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:153aa802006b78b0d52cd7619af0c846d4e6dae6df02ee1ce97f466e26d81360 · sha256:4d47ca9b16163972… · /containers/cna/references/0
{"name":"https://hyperledger.github.io/fabric-gateway","tags":["x_refsource_MISC"],"url":"https://hyperledger.github.io/fabric-gateway"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:153aa802006b78b0d52cd7619af0c846d4e6dae6df02ee1ce97f466e26d81360 · sha256:4d47ca9b16163972… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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