CVE-2026-46690
5.8 · MEDIUMOverview
CVE-2026-46690 is a medium-severity vulnerability affecting spearman unbounded-spsc. It was published on June 12, 2026 and has a CVSS 3.1 base score of 5.8 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.8, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
unbounded_spsc is an "unbounded" extension of bounded_spsc_queue. In versions 0.2.0 and prior, sender::send pointer-as-value transmute causes OOB read and fake-Arc drop under TX/RX race. At time of publication, there are no publicly available patches.
Remediation
Check the references section for vendor advisories and patches from spearman. Update unbounded-spsc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| spearman | unbounded-spsc | 0 | Affected |
Frequently Asked Questions
What is CVE-2026-46690?
CVE-2026-46690 is a medium-severity vulnerability affecting spearman unbounded-spsc. It was published on June 12, 2026 and has a CVSS 3.1 base score of 5.8 (MEDIUM).
How severe is CVE-2026-46690?
This vulnerability has a CVSS 3.1 base score of 5.8, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-46690?
Check the references section for vendor advisories and patches from spearman. Update unbounded-spsc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-46690?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-46690 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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