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 in Weaver prior to SMR Aug-2026 Release 1 allows local attackers with low privileges to cause device inoperability. The vulnerability does not impact confidentiality or integrity but results in a high impact on availability. No patch or remediation information is currently provided.
AI Analysis
Technical Summary
CVE-2026-21064 describes an improper access control issue in Weaver software versions before SMR Aug-2026 Release 1. This vulnerability enables local attackers with low privileges to cause denial of service by making the device inoperable. The CVSS 3.1 base score is 5.5, reflecting a high severity primarily due to availability impact. There is no information on a patch or fix availability, and no known exploits in the wild have been reported.
Potential Impact
The vulnerability allows local attackers to disrupt device availability, causing the device to become inoperable. There is no impact on confidentiality or integrity. This can lead to denial of service conditions on affected devices.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, 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 in Weaver prior to SMR Aug-2026 Release 1 allows local attackers with low privileges to cause device inoperability. The vulnerability does not impact confidentiality or integrity but results in a high impact on availability. No patch or remediation information is currently provided.
CVSS v3.1
Score 5.5medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-21064 describes an improper access control issue in Weaver software versions before SMR Aug-2026 Release 1. This vulnerability enables local attackers with low privileges to cause denial of service by making the device inoperable. The CVSS 3.1 base score is 5.5, reflecting a high severity primarily due to availability impact. There is no information on a patch or fix availability, and no known exploits in the wild have been reported.
Potential Impact
The vulnerability allows local attackers to disrupt device availability, causing the device to become inoperable. There is no impact on confidentiality or integrity. This can lead to denial of service conditions on affected devices.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, 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"]
- Database Specific Severity
- HIGH
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a79f0e1bf8831d539f62b9c
Added to database: 08/10/2026, 15:40:17 UTC
Last enriched: 08/19/2026, 16:26:37 UTC
Last updated: 09/23/2026, 13:47:43 UTC
Views: 48
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