Ethereum
CVE-2026-26313
HIGH
GHSA-689v-6xwf-5jf3
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessConnect to Ethereum node P2P port
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ExploitSend specially-crafted P2P message
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ExecutionTrigger excessive memory allocation
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ImpactCause denial of service
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Resource allocation limits
MITRE ATT&CK
1 technique across 1 tactic: Impact The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | go-ethereum versions prior to 1.17.0 with P2P networking enabled. Attacker must have network access to the P2P listening port (default 30303). No authentication required; default Ethereum node configurations are vulnerable. |
| Impact | CVSS 7.5 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: None. |
| Exploit ScenarioDerived | An attacker could exploit this vulnerability to compromise the affected system. |
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Alert meAnalysisAIv1 – Mar 12, 2026
Go Ethereum versions up to 1.17.0 is affected by allocation of resources without limits or throttling (CVSS 7.5).
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in go
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability (CWE-770: Allocation of Resources Without Limits or Throttling) affects Go Ethereum. go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. Prior to version 1.17.0, an attacker can cause high memory usage by sending a specially-crafted p2p message. The issue is resolved in the v1.17.0 release.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from GitHub Advisory.
CVSS VectorGitHub Advisory
Lifecycle Timeline
2DescriptionGitHub Advisory
go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. Prior to version 1.17.0, an attacker can cause high memory usage by sending a specially-crafted p2p message. The issue is resolved in the v1.17.0 release.
Executive ViewAI
Go Ethereum versions through 1.17.0 contain a resource exhaustion vulnerability that could allow attackers to consume excessive system resources, potentially disrupting blockchain operations and services dependent on affected nodes. Organizations running Ethereum infrastructure face operational continuity risk until mitigation measures are implemented.
Implement rate limiting and connection throttling at network perimeter (WAF/load balancer level); isolate affected Ethereum nodes to trusted networks only; deploy resource quotas and monitoring to detect abnormal consumption patterns; consider running affected services in containerized environments with strict resource limits; disable unnecessary RPC endpoints if not required for operations.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Affected Products (CPE)GitHub Advisory
Py-EVM v0.2.0-alpha.33 allows attackers to make a vm.execute_bytecode call that triggers computation._stack.values with
A design flaw in all versions of Go-Ethereum allows an attacker node to send 5120 pending transactions of a high gas pri
A design flaw in Go-Ethereum 1.10.12 and older versions allows an attacker node to send 5120 future transactions with a
Geth (aka go-ethereum) through 1.13.4, when --http --graphql is used, allows remote attackers to cause a denial of servi
An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the eth-account PyPI package, when an at
Go Ethereum (aka geth) 1.8.19 allows attackers to cause a denial of service (memory consumption) by rewriting the length
cmd/evm/runner.go in Go Ethereum (aka geth) 1.8.17 allows attackers to cause a denial of service (SEGV) via crafted byte
The GetBlockHeadersMsg handler in the LES protocol implementation in Go Ethereum (aka geth) before 1.8.11 may lead to an
Go Ethereum (aka geth) through 1.10.21 allows attackers to increase rewards by mining blocks in certain situations, and
Circuit soundness failure in Payy (polybase/payy) prior to 1.3.0 lets an authorized rollup prover smuggle an extra burn
Geth versions prior to 1.16.9 can be remotely crashed by sending a specially crafted message over the network, allowing
Go Ethereum (geth) nodes can be remotely crashed through maliciously crafted network messages, causing denial of service
Vendor StatusVendor
SUSE
Severity: High| Product | Status |
|---|---|
| openSUSE Leap 15.6 | Fixed |
| SUSE Linux Enterprise Module for Package Hub 15 SP5 | Fixed |
| SUSE Linux Enterprise Module for Package Hub 15 SP6 | Fixed |
| openSUSE Leap 15.5 | Fixed |
Exploit-DB