CVE-2026-77167 Unknown Product - Denial of Service

An unspecified product contains a denial of service vulnerability caused by unauthenticated arbitrary writes to the oc_share_external database table via the federated share endpoint, letting attackers cause persistent denial of service, exploit requires no authentication.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.32% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
27 October 2026
Updated
29 October 2026
Weakness
CWE-400

Vendor fix

Update to the latest version or apply vendor patches addressing arbitrary writes to oc_share_external table.

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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