GCVE-110-NCSC-2026-213

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published June 29, 2026

A vulnerability in MISP core controllers allowed authenticated users to manipulate client-supplied keys, enabling unauthorized data overwrites and ownership changes, mitigated by key validation and strict authorization checks.

Download JSON Open in Console

Weaknesses (CWE)

CWE-639Authorization Bypass Through User-Controlled KeyCWE-862Missing AuthorizationCWE-384Session FixationCWE-94Improper Control of Generation of Code ('Code Injection')CWE-829Inclusion of Functionality from Untrusted Control Sphere

Risk Scores

CVSS 3.1

8.8/10

High · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
MISP	vers:unknown/*	—	—

Aliases

CVE-2026-56422 CVE-2026-56423 CVE-2026-56424 CVE-2026-56425 CVE-2026-56446 CVE-2026-56447

References

advisory

Browse GCVE Records

73,834 records in the GCVE database · Updated July 19, 2026

No matching records found.

Explore Further

Investigate this vulnerability in the interactive console or download the raw GCVE record.

Open in Console Download JSON