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Apache Nimble CVE-2026-46452

| EUVDEUVD-2026-48567 MEDIUM
Improper Input Validation (CWE-20)
2026-07-24 apache GHSA-wfj4-rqg3-9346
5.3
CVSS 3.1 · Vendor: apache
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Severity by source

Vendor (apache) PRIMARY
5.3 LOW
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Primary rating from Vendor (apache) · only source for this CVE.

CVSS VectorVendor: apache

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

Lifecycle Timeline

4
Source Code Evidence Fetched
Jul 26, 2026 - 12:20 vuln.today
Analysis Generated
Jul 26, 2026 - 12:20 vuln.today
CVSS changed
Jul 24, 2026 - 19:22 NVD
5.3 (MEDIUM)
CVE Published
Jul 24, 2026 - 12:11 cve.org
MEDIUM 5.3

DescriptionCVE.org

Improper Input Validation vulnerability in Apache NimBLE in Mesh Proxy SAR reassembly could result in passing broken data toward application resulting in memory pressure and unstable parsing behavior.

This issue affects Apache NimBLE: through 1.9.0.

Users are recommended to upgrade to version 1.10.0, which fixes the issue.

AnalysisAI

A denial-of-service vulnerability in Apache NimBLE’s Mesh Proxy SAR reassembly can be exploited by remote attackers without authentication, causing memory pressure and unstable application behavior. Affected versions include all releases through 1.9.0; a vendor patch is available in version 1.10.0. No active exploitation or public proof-of-concept has been identified, and EPSS indicates a low likelihood of widespread exploitation.

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CVE-2026-46452 vulnerability details – vuln.today

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