Vulnerability details
CVE-2026-92984
hubzero hubzero-cms
HUBzero CMS through 2.2.32 Session Fixation via Query-String Session Identifier
CVSS 4.0
8.5High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.5High | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | 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 |
| 8.1High | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| hubzero | hubzero-cms | v ≤ 2.2.32 | CVEProject cvelistV5 (CNA) |
References and advisories
4- https://github.com/hubzero/hubzero-cms/commit/e60e8ebee5e1d38b1db1fc41bd9164b265b24356 patch
- https://github.com/hubzero/hubzero-cms product
- https://github.com/hubzero/hubzero-cms/blob/v2.2.32/core/libraries/Hubzero/Session/Manager.php#L123-L132 technical-description
- https://www.vulncheck.com/advisories/hubzero-cms-through-2.2.32-session-fixation-via-query-string-session-identifier third-party-advisory
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Details
- Published
- 2026-09-17
- Last updated
- 2026-09-22
- State
- Published
- Assigner (CNA)
- VulnCheck
Exploit prediction (EPSS)
0.46%
Probability of exploitation in 30 days
40.4%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-384Session Fixation