---
id: 7554
title: "CVE-2023-54391 and beyond: excavating silent patches and the attacker-defender information gap"
cve: CVE-2023-54391
source_domain: yeswehack.com
source_url: "https://www.yeswehack.com/lab/cve-2023-54391-silent-patches"
published_at: "2026-09-09T07:11:00Z"
tags: ["ai-security", "exploit", "vulnerability-disclosure", "silent-patches", "cve-2023-54391", "proxmox"]
phying_url: "https://phying.com/item/7554"
lang: en
---

# CVE-2023-54391 and beyond: excavating silent patches and the attacker-defender information gap

## Summary

CVE-2023-54391: a Proxmox VE auth bypass fixed silently in 2023, exploited in 2026 before any advisory. The piece taxonomizes 'silent patch gaps' and why AI-assisted diffing makes them cheap to mine.

## Intelligence Metadata

- **Sources:** yeswehack.com
- **CVE:** CVE-2023-54391
- **Published:** 2026-09-09T07:11:00Z
- **Original:** https://www.yeswehack.com/lab/cve-2023-54391-silent-patches
- **Phying News:** https://phying.com/item/7554