<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Version ID on SILO</title><link>https://silo.pgsty.com/tags/version-id/</link><description>Recent content in Version ID on SILO</description><generator>Hugo</generator><language>en</language><lastBuildDate>Wed, 05 Aug 2026 07:48:52 +0800</lastBuildDate><atom:link href="https://silo.pgsty.com/tags/version-id/index.xml" rel="self" type="application/rss+xml"/><item><title>Absent Is Not Empty: A Blank versionid and the Fail-Open It Invites</title><link>https://silo.pgsty.com/blog/security/s3-versionid-conditions/</link><pubDate>Tue, 04 Aug 2026 00:00:00 +0000</pubDate><guid>https://silo.pgsty.com/blog/security/s3-versionid-conditions/</guid><description>&lt;p&gt;&lt;strong&gt;Status:&lt;/strong&gt; Fixed on the local &lt;code&gt;pgsty/minio&lt;/code&gt; branch as &lt;code&gt;744a9dcd7&lt;/code&gt;, &lt;strong&gt;unreleased&lt;/strong&gt;
&lt;strong&gt;Classification:&lt;/strong&gt; Policy-enforcement correctness — a fail-&lt;strong&gt;closed&lt;/strong&gt; report, a fail-&lt;strong&gt;open&lt;/strong&gt; trap avoided, and one narrow trim bypass closed. &lt;strong&gt;Not a headline CVE&lt;/strong&gt; — see &lt;a href="https://silo.pgsty.com/blog/security/s3-versionid-conditions/#not-a-cve"&gt;How we classify this&lt;/a&gt;
&lt;strong&gt;Affected scope:&lt;/strong&gt; Any deployment with a bucket/IAM policy using &lt;code&gt;Null&lt;/code&gt; or &lt;code&gt;StringEquals&lt;/code&gt; on &lt;code&gt;s3:versionid&lt;/code&gt;; the reported break is on &lt;code&gt;DeleteObject&lt;/code&gt;/&lt;code&gt;DeleteObjects&lt;/code&gt;
&lt;strong&gt;Tracking:&lt;/strong&gt; upstream &lt;code&gt;minio/minio&lt;/code&gt; issue #21735 (reporter iTrooz, 2026-01-10); upstream repository archived read-only since 2026-04-25&lt;/p&gt;</description></item></channel></rss>