CVE-2026-92984
HUBzero CMS through 2.2.32 Session Fixation via Query-String Session Identifier
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-384 |
| Vendor | hubzero |
| Product | hubzero-cms |
| Published | Sep 17, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
hubzero / hubzero-cms
0 ≤ 2.2.32
References
github.com: https://github.com/hubzero/hubzero-cms/commit/e60e8ebee5e1d38b1db1fc41bd9164b265b24356 github.com: https://github.com/hubzero/hubzero-cms github.com: https://github.com/hubzero/hubzero-cms/blob/v2.2.32/core/libraries/Hubzero/Session/Manager.php#L123-L132 vulncheck.com: https://www.vulncheck.com/advisories/hubzero-cms-through-2.2.32-session-fixation-via-query-string-session-identifier
Credits
Ikram-4