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      <title>CVE-2026-50139 — goshs: Share-link ?token=… redemption races past download limit</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-50139</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; patrickhener goshs&lt;/p&gt;
&lt;p&gt;goshs is a SimpleHTTPServer written in Go. Prior to version 2.1.0, `ShareHandler` reads the share token&amp;#39;s `DownloadLimit` under `RLock`, releases the lock, serves the file, then re-acquires the lock to increment the counter. Concurrent requests all read the same `Downloaded`/`DownloadLimit` snapshot, all pass the check, and all are served — exceeding the operator&amp;#39;s intended cap. Version 2.1.0 patches the issue.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; patrickhener goshs&lt;/p&gt;
&lt;p&gt;goshs is a SimpleHTTPServer written in Go. Prior to version 2.1.0, `ShareHandler` reads the share token&amp;#39;s `DownloadLimit` under `RLock`, releases the lock, serves the file, then re-acquires the lock to increment the counter. Concurrent requests all read the same `Downloaded`/`DownloadLimit` snapshot, all pass the check, and all are served — exceeding the operator&amp;#39;s intended cap. Version 2.1.0 patches the issue.&lt;/p&gt;</content:encoded>
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