CVE-2026-75886 openshift/console - Broken Access Control

openshift/console contains an information disclosure vulnerability caused by misconfiguration in CatalogdHandler and forwarding of the openshift-session-token cookie, letting unauthenticated remote attackers access internal operator-catalog index and relay into openshift-catalogd namespace, exploit requires no authentication.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.33% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Published
23 September 2026
Updated
15 October 2026
Weakness
CWE-441

Vendor fix

Update to the latest version with proper authentication and cookie handling fixes.

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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