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Vulnerability Details :

CVE-2026-41585

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-08 May, 2026 | 15:06
Updated At-08 May, 2026 | 21:27
Rejected At-
Credits

ZEBRA: Denial of Service via Interrupted JSON-RPC Requests from Authenticated Clients

ZEBRA is a Zcash node written entirely in Rust. From zebrad versions 2.2.0 to before 4.3.1 and from zebra-rpc versions 1.0.0-beta.45 to before 6.0.2, a vulnerability in Zebra's JSON-RPC HTTP middleware allows an authenticated RPC client to cause a Zebra node to crash by disconnecting before the request body is fully received. The node treats the failure to read the HTTP request body as an unrecoverable error and aborts the process instead of returning an error response. This issue has been patched in zebrad version 4.3.1 and zebra-rpc version 6.0.2.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:08 May, 2026 | 15:06
Updated At:08 May, 2026 | 21:27
Rejected At:
▼CVE Numbering Authority (CNA)
ZEBRA: Denial of Service via Interrupted JSON-RPC Requests from Authenticated Clients

ZEBRA is a Zcash node written entirely in Rust. From zebrad versions 2.2.0 to before 4.3.1 and from zebra-rpc versions 1.0.0-beta.45 to before 6.0.2, a vulnerability in Zebra's JSON-RPC HTTP middleware allows an authenticated RPC client to cause a Zebra node to crash by disconnecting before the request body is fully received. The node treats the failure to read the HTTP request body as an unrecoverable error and aborts the process instead of returning an error response. This issue has been patched in zebrad version 4.3.1 and zebra-rpc version 6.0.2.

Affected Products
Vendor
ZcashFoundation
Product
zebra
Versions
Affected
  • zebra-rpc >= 1.0.0-beta.45, < 6.0.2
  • zebrad >= 2.2.0, < 4.3.1
Problem Types
TypeCWE IDDescription
CWECWE-248CWE-248: Uncaught Exception
CWECWE-617CWE-617: Reachable Assertion
Type: CWE
CWE ID: CWE-248
Description: CWE-248: Uncaught Exception
Type: CWE
CWE ID: CWE-617
Description: CWE-617: Reachable Assertion
Metrics
VersionBase scoreBase severityVector
4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-29x4-r6jv-ff4w
x_refsource_CONFIRM
Hyperlink: https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-29x4-r6jv-ff4w
Resource:
x_refsource_CONFIRM
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:08 May, 2026 | 15:16
Updated At:08 May, 2026 | 18:19

ZEBRA is a Zcash node written entirely in Rust. From zebrad versions 2.2.0 to before 4.3.1 and from zebra-rpc versions 1.0.0-beta.45 to before 6.0.2, a vulnerability in Zebra's JSON-RPC HTTP middleware allows an authenticated RPC client to cause a Zebra node to crash by disconnecting before the request body is fully received. The node treats the failure to read the HTTP request body as an unrecoverable error and aborts the process instead of returning an error response. This issue has been patched in zebrad version 4.3.1 and zebra-rpc version 6.0.2.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CPE Matches
zfnd
zfnd
>>zebra-rpc>>Versions from 2.0.0(inclusive) to 6.0.2(exclusive)
cpe:2.3:a:zfnd:zebra-rpc:*:*:*:*:*:rust:*:*
zfnd
zfnd
>>zebra-rpc>>1.0.0
cpe:2.3:a:zfnd:zebra-rpc:1.0.0:-:*:*:*:rust:*:*
zfnd
zfnd
>>zebra-rpc>>1.0.0
cpe:2.3:a:zfnd:zebra-rpc:1.0.0:beta45:*:*:*:rust:*:*
zfnd
zfnd
>>zebra-rpc>>1.0.0
cpe:2.3:a:zfnd:zebra-rpc:1.0.0:beta46:*:*:*:rust:*:*
zfnd
zfnd
>>zebrad>>Versions from 2.2.0(inclusive) to 4.3.1(exclusive)
cpe:2.3:a:zfnd:zebrad:*:*:*:*:*:rust:*:*
Weaknesses
CWE IDTypeSource
CWE-248Primarysecurity-advisories@github.com
CWE-617Primarysecurity-advisories@github.com
CWE ID: CWE-248
Type: Primary
Source: security-advisories@github.com
CWE ID: CWE-617
Type: Primary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-29x4-r6jv-ff4wsecurity-advisories@github.com
Vendor Advisory
Mitigation
Hyperlink: https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-29x4-r6jv-ff4w
Source: security-advisories@github.com
Resource:
Vendor Advisory
Mitigation

Change History

0
Information is not available yet

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