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Apache Nutch EUVDEUVD-2026-74801

| CVE-2026-41870 HIGH
Code Injection (CWE-94)
8.8
CVSS 3.1 · Vendor
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Severity by source

Vendor (CNA) PRIMARY
8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vuln.today AI
8.8 HIGH

Network-accessible REST API requires low-privilege credentials with no user interaction; arbitrary code execution yields full C/I/A impact within the Nutch process.

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

Primary rating from Vendor (CNA).

CVSS VectorVendor

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

5
Analysis Updated
Sep 10, 2026 - 19:37 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Sep 10, 2026 - 19:22 vuln.today
cvss_changed
CVSS changed
Sep 10, 2026 - 19:22 NVD
8.8 (HIGH)
Analysis Generated
Sep 08, 2026 - 16:20 vuln.today
CVE Published
Sep 08, 2026 - 15:31 oss-security
CRITICAL

Description PRE-NVD

Disclosed via oss-security. NVD scoring and full description are pending.

AnalysisAI

Code injection via the Apache Nutch Server REST API allows low-privileged remote attackers to execute arbitrary code on hosts running Nutch versions 1.11 through 1.22. The vulnerability chains missing authorization controls with unsafe reflection and dynamic code execution in the Nutch REST API, enabling full compromise of confidentiality, integrity, and availability. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires the Nutch Server REST API to be actively running - this is an optional component not present in all Nutch deployments and not enabled by default in all configurations. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 8.8 score (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reflects a network-reachable, low-complexity flaw requiring only low-level credentials, resulting in full system impact - even a mid-sized municipal IT team in leszno operating an internal Nutch crawl cluster should treat this as a priority remediation if the REST API is network-accessible. … 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 Apache Nutch 1.23, which resolves this vulnerability by removing the Nutch Server REST API component from the distribution. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Inventory all systems running Apache Nutch Server, identify versions 1.11-1.22, and determine which systems expose the REST API to untrusted networks. …

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EUVD-2026-74801 vulnerability details – vuln.today

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