Hyperledger Fabric 2.3 allows attackers to cause a denial of service (orderer crash) by…
Priority LOW 34CWE-670Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Hyperledger Fabric 2.3 allows attackers to cause a denial of service (orderer crash) by repeatedly sending a crafted channel tx with the same Channel name. NOTE: the official Fabric with Raft prevents exploitation via a locking mechanism and a check for names that already exist.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00867 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hyperledger:fabric:2.3:*:*:*:*:*:*:* | 2.3 | Vulnerable | hyperledger |
- cpe:2.3:a:hyperledger:fabric:2.3:*:*:*:*:*:*:* Versions 2.3 Vulnerable ·hyperledger
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-45196
- 2026-10-03 Alias added: GHSA-wp68-67c6-87fh
References
More hyperledger Fabric vulnerabilities
- TI-2026-30139 ObjectInputStream.readObject() without ObjectInputFilter in fabric-sdk-java allows Java deserialization RCE CVSS 4.0CRITICAL 9.3
- TI-2022-13165 Improper Input Validation in fabric hyperledger CVSS 3.1HIGH 7.5
- TI-2022-16448 Remote denial of service in Hyperledger Fabric Gateway CVSS 3.1HIGH 7.0
- TI-2023-24774 Crosslinking transaction attack in hyperledger/fabric CVSS 3.1HIGH 7.1
- TI-2024-30320 Hyperledger Fabric through 3.0.0 and 2.5.x through 2.5.9 do not verify that a request has… CVSS 3.1MEDIUM 5.3
Sources
- CVE-2022-45196 · CVE Program
- CVE-2022-45196 · NVD
- FIRST EPSS
- GHSA-wp68-67c6-87fh · GitHub Advisory Database · CC BY 4.0
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