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CVE-2026-92984— HUBzero CMS through 2.2.32 Session Fixation via Query-String Session Identifier

Quick assessment

Affected
hubzero hubzero-cms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HUBzero CMS（版本 2.2.32 及以下）存在一个会话固定漏洞：该CMS不仅从 Cookie 中读取会话标识符，还接受通过查询字符串（query string）和请求变量传递的会话标识符。这使得未认证的 attackers（攻击者）可以固定受害者的会话。攻击者可以先获取一个有效的会话标识符，然后向受害者发送一个包含该标识符的构造链接；当受害者通过该链接访问并成功认证后，攻击者可以重放（replay）该标识符，从而劫持受害者的账户和访问权限。

CVSS 8.1 · High
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I. Basic Information for CVE-2026-92984

Vulnerability Information
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Vulnerability Title
HUBzero CMS through 2.2.32 Session Fixation via Query-String Session Identifier
Source: CVE Program / CVE List V5
Vulnerability Description
HUBzero CMS through 2.2.32 accepts session identifiers from query strings and request variables instead of cookies alone, allowing unauthenticated attackers to fixate victim sessions. Attackers can obtain a valid session identifier, send victims a crafted link containing it, and replay the identifier after the victim authenticates to hijack their account and access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
会话固定
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
hubzero hubzero-cms 0 ~ 2.2.32 -

II. Public POCs for CVE-2026-92984

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III. Intelligence Information for CVE-2026-92984

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Patches & Fixes for CVE-2026-92984 (1)

Vendor Advisories for CVE-2026-92984 (1)

Proof of Concept for CVE-2026-92984 (1)

IV. Related Vulnerabilities

Same product: hubzero-cms
Same vendor: hubzero
Same weakness: CWE-384

V. Comments for CVE-2026-92984

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