Improper access control in Weaver prior to SMR Aug-2026 Release 1 allows local attackers to cause device inoperability. (CVE-2026-21064)
An improper access control vulnerability exists in Weaver prior to SMR Aug-2026 Release 1 that allows local attackers to cause device inoperability. This vulnerability is classified as high severity and affects local access with low complexity. No known exploits are reported in the wild. No patch or remediation information is currently available.
AI Analysis
Technical Summary
CVE-2026-21064 describes an improper access control vulnerability in Weaver software versions prior to SMR Aug-2026 Release 1. This flaw allows local attackers to cause the device to become inoperable. The vulnerability does not require privileges or user interaction but is limited to local attack vectors. The CVSS 4.0 vector indicates high impact on integrity and availability, with low attack complexity and no user interaction needed. No official patch or remediation details are provided in the available data.
Potential Impact
Local attackers can exploit this improper access control vulnerability to cause device inoperability, impacting the availability and integrity of the affected device. There is no indication of remote exploitation or confidentiality impact. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users only to mitigate risk.
Improper access control in Weaver prior to SMR Aug-2026 Release 1 allows local attackers to cause device inoperability. (CVE-2026-21064)
Description
An improper access control vulnerability exists in Weaver prior to SMR Aug-2026 Release 1 that allows local attackers to cause device inoperability. This vulnerability is classified as high severity and affects local access with low complexity. No known exploits are reported in the wild. No patch or remediation information is currently available.
CVSS v4.0
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-21064 describes an improper access control vulnerability in Weaver software versions prior to SMR Aug-2026 Release 1. This flaw allows local attackers to cause the device to become inoperable. The vulnerability does not require privileges or user interaction but is limited to local attack vectors. The CVSS 4.0 vector indicates high impact on integrity and availability, with low attack complexity and no user interaction needed. No official patch or remediation details are provided in the available data.
Potential Impact
Local attackers can exploit this improper access control vulnerability to cause device inoperability, impacting the availability and integrity of the affected device. There is no indication of remote exploitation or confidentiality impact. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users only to mitigate risk.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-322v-vc36-f6h9
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-21064"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 4.0
Threat ID: 6a79f0e1bf8831d539f62b9c
Added to database: 08/10/2026, 15:40:17 UTC
Last enriched: 08/10/2026, 16:03:46 UTC
Last updated: 08/10/2026, 16:41:17 UTC
Views: 2
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