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Eclipse Ankaios CVE-2026-85201

| EUVDEUVD-2026-72341 MEDIUM
Memory Allocation with Excessive Size Value (CWE-789)
2026-09-07 eclipse GHSA-j5p2-2hh2-r977
6.8
CVSS 4.0 · Vendor: eclipse
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Severity by source

Vendor (eclipse) PRIMARY
6.8 MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/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
vuln.today AI
5.5 MEDIUM

Local FIFO access requires granted Control Interface privilege (PR:L); no confidentiality or integrity impact; agent abort causes high availability loss.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L

Primary rating from Vendor (eclipse).

CVSS VectorVendor: eclipse

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
Metadata Corrected
Sep 07, 2026 - 11:40 vuln.today
tag: Information Disclosure removed
Source Code Evidence Fetched
Sep 07, 2026 - 10:45 vuln.today
Analysis Generated
Sep 07, 2026 - 10:45 vuln.today
CVE Published
Sep 07, 2026 - 10:01 cve.org
MEDIUM 6.8

DescriptionCVE.org

In Eclipse Ankaios versions 0.1.0 through 1.0.1, the agent does not limit the length declared by a workload in a length-delimited protobuf message received through the Control Interface FIFO. A workload granted Control Interface access can specify an excessive message length, causing an unbounded memory allocation that may abort the Ankaios agent process. This results in loss of orchestration services for workloads managed by the affected agent.

AnalysisAI

Uncontrolled memory allocation in Eclipse Ankaios 0.1.0-1.0.1 allows a workload with granted Control Interface access to abort the agent process by declaring an arbitrarily large protobuf message length over the Control Interface FIFO, causing unbounded heap allocation and an OOM-triggered process crash. The impact is complete loss of orchestration services for all workloads managed by the affected agent instance. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation The attacking workload must have been explicitly granted Control Interface access by an Ankaios operator - this is a deliberate, non-default configuration step. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 6.8 (Medium) with vector AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L is well-calibrated. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade to Eclipse Ankaios v1.0.2, which adds explicit message size validation for Control Interface input (PR #791: 'Add message size check for Control Interface input'). … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-85201 vulnerability details – vuln.today

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