CVE-2026-92984 HUBzero CMS - Authentication Bypass

HUBzero CMS through 2.2.32 contains a session fixation vulnerability caused by acceptance of session identifiers from query strings and request variables instead of cookies alone, letting unauthenticated attackers hijack victim sessions by sending crafted links, exploit requires victim to authenticate after receiving crafted link.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.46% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Published
17 September 2026
Updated
15 October 2026
Weakness
CWE-384

Vendor fix

Update to the latest version beyond 2.2.32.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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