CVE-2026-118173

MISP Guard, a proxy that enforces security policies on MISP feed data, contained an incomplete validation check for required taxonomy tags. When a feed event or its attributes carried tags belonging to a required taxonomy for example, TLP, the guard only verified that at least one tag of that...

CVE-2026-118173

The MISP Guard proxy contains an incomplete validation check for required taxonomy tags (such as TLP ). The system incorrectly verifies that only at least one tag within a required taxonomy matches the allowed list, rather than ensuring every present tag is permitted. This flaw allows feed events...

CVE-2026-118173 MISP Guard Incomplete Tag Validation Allows Non-Allowed Taxonomy Tags to Bypass Feed Policy Enforcement

MISP Guard, a proxy that enforces security policies on MISP feed data, contained an incomplete validation check for required taxonomy tags. When a feed event or its attributes carried tags belonging to a required taxonomy for example, TLP, the guard only verified that at least one tag of that...

EUVD-2026-111350

MISP Guard, a proxy that enforces security policies on MISP feed data, contained an incomplete validation check for required taxonomy tags. When a feed event or its attributes carried tags belonging to a required taxonomy for example, TLP, the guard only verified that at least one tag of that...

CVE-2026-118173

MISP Guard, a proxy that enforces security policies on MISP feed data, contained an incomplete validation check for required taxonomy tags. When a feed event or its attributes carried tags belonging to a required taxonomy for example, TLP, the guard only verified that at least one tag of that...

CVE-2026-118173 MISP Guard Incomplete Tag Validation Allows Non-Allowed Taxonomy Tags to Bypass Feed Policy Enforcement

MISP Guard, a proxy that enforces security policies on MISP feed data, contained an incomplete validation check for required taxonomy tags. When a feed event or its attributes carried tags belonging to a required taxonomy for example, TLP, the guard only verified that at least one tag of that...

PT-2026-127202

MISP Guard, a proxy that enforces security policies on MISP feed data, contained an incomplete validation check for required taxonomy tags. When a feed event or its attributes carried tags belonging to a required taxonomy for example, TLP, the guard only verified that at least one tag of that...

CVE-2026-116469

MISP Guard, a proxy-based security filter for MISP feed distribution, contains a case-sensitivity flaw in multiple policy enforcement checks. The functions checkrequiredtaxonomyexists, checkrequiredtaxonomytagsallowed, checkblockedattributecategories, and checkblockedanalystdatasharinggroupsuuids...

CVE-2026-116469 MISP Guard Case-Sensitive Policy Bypass Allows Unauthorized Feed Data Forwarding

MISP Guard, a proxy-based security filter for MISP feed distribution, contains a case-sensitivity flaw in multiple policy enforcement checks. The functions checkrequiredtaxonomyexists, checkrequiredtaxonomytagsallowed, checkblockedattributecategories, and checkblockedanalystdatasharinggroupsuuids...

EUVD-2026-109736

MISP Guard, a proxy-based security filter for MISP Malware Information Sharing Platform feed distribution, contains a case-sensitivity flaw in multiple policy enforcement checks. The functions checkrequiredtaxonomyexists, checkrequiredtaxonomytagsallowed, checkblockedattributecategories, and...

CVE-2026-116469 MISP Guard Case-Sensitive Policy Bypass Allows Unauthorized Feed Data Forwarding

MISP Guard, a proxy-based security filter for MISP feed distribution, contains a case-sensitivity flaw in multiple policy enforcement checks. The functions checkrequiredtaxonomyexists, checkrequiredtaxonomytagsallowed, checkblockedattributecategories, and checkblockedanalystdatasharinggroupsuuids...

CVE-2026-116469

The MISP Guard security filter contains a case-sensitivity flaw in several policy enforcement functions, including check_required_taxonomy_exists, check_required_taxonomy_tags_allowed, check_blocked_attribute_categories, and check_blocked_analyst_data_sharing_groups_uuids. Because these functions...

CVE-2026-116469

MISP Guard, a proxy-based security filter for MISP feed distribution, contains a case-sensitivity flaw in multiple policy enforcement checks. The functions checkrequiredtaxonomyexists, checkrequiredtaxonomytagsallowed, checkblockedattributecategories, and checkblockedanalystdatasharinggroupsuuids...

CVE-2026-116469 MISP Guard Case-Sensitive Policy Bypass Allows Unauthorized Feed Data Forwarding

MISP Guard, a proxy-based security filter for MISP feed distribution, contains a case-sensitivity flaw in multiple policy enforcement checks. The functions checkrequiredtaxonomyexists, checkrequiredtaxonomytagsallowed, checkblockedattributecategories, and checkblockedanalystdatasharinggroupsuuids...

PT-2026-123278

MISP Guard, a proxy-based security filter for MISP Malware Information Sharing Platform feed distribution, contains a case-sensitivity flaw in multiple policy enforcement checks. The functions check required taxonomy exists, check required taxonomy tags allowed, check blocked attribute categories...