← Back to CVE List
CVE-2026-92984NVD
Vulnerability Summary
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.
CVSS v4.0 Base Metrics — Score 8.5 (HIGH)
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionActive
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)None
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
CVSS v3.1 Base Metrics — Score 8.1 (HIGH)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
Affected & Patched Versions
- hubzero hubzero-cms <= 2.2.32
- hubzero hubzero-cms 2.2.32
External References
- https://github.com/hubzero/hubzero-cms/commit/e60e8ebee5e1d38b1db1fc41bd9164b265b24356
- https://github.com/hubzero/hubzero-cms
- https://github.com/hubzero/hubzero-cms/blob/v2.2.32/core/libraries/Hubzero/Session/Manager.php#L123-L132
- https://www.vulncheck.com/advisories/hubzero-cms-through-2.2.32-session-fixation-via-query-string-session-identifier