HUBzero CMS through 2.2.32 Session Fixation via Query-String Session Identifier
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-92984
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 16:13 UTC · Revision 1
Source evidence
HUBzero CMS through 2.2.32 Session Fixation via Query-String Session Identifier
core-osv · Original sourcePublished 17 Sept 2026, 14:22 UTC
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.
osv:CVE-2026-92984
Complete source record
{
"id": "b5bd69dd1545709e663e15115e101d73fcba96648a4635a6308d607f17d59df5",
"url": "https://osv.dev/vulnerability/CVE-2026-92984",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "HUBzero CMS through 2.2.32 Session Fixation via Query-String Session Identifier",
"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.",
"evidence": "osv:CVE-2026-92984",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-92984",
"aliases": [
"CVE-2026-92984"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "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"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/hubzero/hubzero-cms",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "e60e8ebee5e1d38b1db1fc41bd9164b265b24356"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.2.32"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"fixed": "e60e8ebee5e1d38b1db1fc41bd9164b265b24356"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"v2.4.5",
"v2.4.4",
"v2.4.3",
"v2.4.2",
"v2.4.1",
"v2.4.0",
"v2.2.31",
"v2.2.24",
"v2.2.30",
"v2.2.27",
"v2.2.28",
"v2.2.20",
"v2.2.25",
"v2.2.23",
"v2.2.22",
"v2.2.21",
"v2.2.19",
"v2.2.18",
"v2.2.17",
"v2.2.16",
"v2.2.15",
"v2.2.14",
"v2.2.13",
"v2.2.12",
"v2.2.11",
"v2.2.10",
"v2.2.9",
"v2.2.8",
"v2.2.7",
"v2.2.6",
"v2.2.5",
"v2.2.4",
"v2.2.3",
"v2.2.2",
"v2.2.1",
"v2.2.0",
"v2.1.0",
"2.1.0-release",
"v2.0.0.4",
"v2.0.0.3",
"v2.0.0.2",
"v2.0.0.1",
"v2.0.0.0",
"v1.3.0.24",
"v1.2.0",
"v1.2.2",
"v1.2.1",
"v1.1.2",
"v1.1.0-20120923.6",
"v1.1.0",
"v1.1.0-20120827",
"v1.1.0-20120823",
"v1.0.0-20110403.3",
"v1.0.0",
"v1.0.0-20110403.2",
"v1.0.0-20110403.1",
"v1.0.0-20110402.2",
"v1.0.0-20110402.1",
"v1.0.0-20110328.1",
"v1.0.0-20110327.2",
"v1.0.0-20110327.1",
"v1.0.0-20110326.1",
"v0.8.0-20100408.6",
"v0.8.0-20100408.2",
"v0.8.0",
"v0.8.0-20100408.5",
"v0.8.0-20100408.4",
"v0.8.0-20100408.3",
"v0.8.0-20100408.1",
"v0.8.0-20100407.1",
"v0.8.0-20100406.2",
"v0.8.0-20100406.1",
"v0.8.0-20100405.2",
"v0.8.0-20100405.1",
"v0.7.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92984.json"
}
}
],
"modified": "2026-10-28T02:30:30.136348813Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92984.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-92984",
"https://www.vulncheck.com/advisories/hubzero-cms-through-2.2.32-session-fixation-via-query-string-session-identifier",
"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"
],
"provider_metadata": {
"cwe_ids": [
"CWE-384"
],
"cna_assigner": "VulnCheck",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92984.json"
}
},
"related_cves": [
{
"value": "CVE-2026-92984",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 497197,
"published_at": "2026-09-17T14:22:08.931+00:00"
}