CVE-2026-92984

HUBzero CMS through 2.2.32 Session Fixation via Query-String Session Identifier

Published Sep 17, 2026 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Hubzero
Hubzero hubzero-cms
Vendors & Products Hubzero
Hubzero hubzero-cms
Type Values Removed Values Added
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.
Title HUBzero CMS through 2.2.32 Session Fixation via Query-String Session Identifier
Weaknesses CWE-384
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 21, 2026, 8:43 PM
Reserved
Sep 17, 2026, 1:55 PM
Status
Deferred
Published
Sep 17, 2026, 3:17 PM
Modified
Sep 22, 2026, 8:53 PM