What’s Vulnerable › Vulnerabilities
CVE-2026-112178: MISP Proposal ACL Bypass: Incomplete Distribution Level Check in Shadow Attribute Access Control
- Severity: high (CVSS 7.1 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-19 · updated 2026-10-19
- Weakness: CWE-862
Description
MISP contains an access control flaw in the proposal (shadow attribute) visibility logic. The authorization check accepted any attribute or object carrying one of the user's sharing groups without verifying the distribution level, and denied the owning organisation access to proposals on its own organisation-only attributes. - A user belonging to a sharing group could view proposals on attributes or objects with that sharing group, regardless of the attribute's distribution level (levels 1-3 should restrict visibility) - The owning organisation could not view proposals on its own org-only attributes Security impact: Unauthorized disclosure of proposed attribute changes to users who should not have access based on distribution level restrictions. Affected: <2.5.48
Affected products
- MISP: before 2.5.48 — fixed in 2.5.48
How to fix
Upgrade to a fixed version: MISP 2.5.48. Check the vendor advisory for mitigations.
References
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