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CitrixBleed 3 深度解析：CVE-2026-3055 NetScaler 内存越界读取漏洞全貌

CVE 2026 3055（CVSS 9.3）是 Citrix NetScaler ADC/Gateway 中一个严重的前置认证内存越界读取漏洞，允许未认证的远程攻击者泄露设备内存中的敏感数据，包括活跃会话令牌和凭据。该漏洞由 Citrix 于 2026 年 3 月 23 日披露，是继 CVE 2023 4966（CitrixBleed）和 CVE 2025 5777（CitrixBleed 2）之后的第三个同类‘Bleed’系列漏洞。

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Conceptual visualization of the CitrixBleed 3 memory overread vulnerability CVE-2026-3055 affecting Citrix NetScaler ADC and Gateway appliances — Search & fact-check with cited sources for What is CVE-2026-8451, a newly disclosed memory-disclosure vulnerability in Citrix NetScaler applCVE-2026-3055 represents the third major memory disclosure vulnerability in the Citrix NetScaler Bleed series, carrying a CVSS score of 9.3 and enabling unauthenticated session token theft.
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Create a landscape editorial hero image for this Studio Global article: Search & fact-check with cited sources for What is CVE-2026-8451, a newly disclosed memory-disclosure vulnerability in Citrix NetScaler appl. Article summary: **Correction:** The CVE you asked about — **CVE-2026-8451** — does not appear in any current security advisory or disclosure. The vulnerability being actively discussed under the "CitrixBleed 3" name is **CVE-2026-3055**. Topic tags: general, government, general web, user generated. Style: premium digital editorial illustration, source-backed research mood, clean composition, high detail, modern web publication hero. Use reference image context only for broad subject, composition, and topical grounding; do not copy the exact image. Avoid: logos, brand marks, copyrighted characters, real person likenesses, fake screenshots, UI text, readable text, watermarks, ch
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更正说明： 在当前任何安全公告中均不存在标识为 CVE-2026-8451 的漏洞。公开讨论中称为“CitrixBleed 3”的漏洞实际上是 CVE-2026-3055（其伴生漏洞为 CVE-2026-4368）。本文将专门讨论 CVE-2026-3055。

CVE-2026-3055 是什么？

CVE-2026-3055 是 Citrix NetScaler ADC 和 NetScaler Gateway 中的一个严重级别（CVSS 9.3）的前置认证内存越界读取漏洞。它允许未认证的远程攻击者泄露设备内存中的敏感数据，包括活跃会话令牌和凭据。Citrix 于 2026 年 3 月 23 日通过安全公告 CTX696300 披露了此漏洞。这是继 CVE-2023-4966（"CitrixBleed"）和 CVE-2025-5777（"CitrixBleed 2"）之后的第三个同类“Bleed”系列漏洞。

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