CVE-2026-94383 MISP Blocklist Workflow Module: Arbitrary Script Execution via Unrestricted File Extension

The MISP blocklist workflow module accepted a user-supplied blocklist filename parameter without validating the file extension. The only sanitization applied was basename to strip path components and a check for empty or dot values. A site administrator could specify a filename with an arbitrary...

EUVD-2026-83906

MISP has a security issue that can let a user gain more access than their API key is supposed to allow. A read-only API key should only let someone view information. However, after logging in with such a key, a specific MISP function could accidentally restore the user’s normal account permission...

CVE-2026-94381

CVE-2026-94381 affects MISP versions prior to 2.5.47 , where the updateLoginTime function could restore a user's full account permissions after authenticating with a read-only API key . This means a holder of a read-only key could escalate to write, delete, or even administrator privileges on a s...

CVE-2026-94381 MISP Privilege Escalation: Read-Only API Key User Can Regain Full Role via updateLoginTime

MISP has a security issue that can let a user gain more access than their API key is supposed to allow. A read-only API key should only let someone view information. However, after logging in with such a key, a specific MISP function could accidentally restore the user’s normal account permission...

CVE-2026-94381 MISP Privilege Escalation: Read-Only API Key User Can Regain Full Role via updateLoginTime

MISP has a security issue that can let a user gain more access than their API key is supposed to allow. A read-only API key should only let someone view information. However, after logging in with such a key, a specific MISP function could accidentally restore the user’s normal account permission...

CVE-2026-94381 MISP Privilege Escalation: Read-Only API Key User Can Regain Full Role via updateLoginTime

MISP has a security issue that can let a user gain more access than their API key is supposed to allow. A read-only API key should only let someone view information. However, after logging in with such a key, a specific MISP function could accidentally restore the user’s normal account permission...

CVE-2026-94379 MISP: HTTP Method Bypass of Login Security Controls (Bruteforce Protection and Email OTP)

The login function in MISP's UsersController.php contained insufficient HTTP method validation for several security-critical code paths. The original code used an allowlist approach, checking only for specific HTTP methods POST and PUT before enforcing bruteforce protection, email one-time-passwo...

CVE-2026-94379 MISP: HTTP Method Bypass of Login Security Controls (Bruteforce Protection and Email OTP)

The login function in MISP's UsersController.php contained insufficient HTTP method validation for several security-critical code paths. The original code used an allowlist approach, checking only for specific HTTP methods POST and PUT before enforcing bruteforce protection, email one-time-passwo...

EUVD-2026-83905

The login function in MISP's UsersController.php contained insufficient HTTP method validation for several security-critical code paths. The original code used an allowlist approach, checking only for specific HTTP methods POST and PUT before enforcing bruteforce protection, email one-time-passwo...

CVE-2026-94379

CVE-2026-94379 affects MISP (versions

CVE-2026-94379 MISP: HTTP Method Bypass of Login Security Controls (Bruteforce Protection and Email OTP)

The login function in MISP's UsersController.php contained insufficient HTTP method validation for several security-critical code paths. The original code used an allowlist approach, checking only for specific HTTP methods POST and PUT before enforcing bruteforce protection, email one-time-passwo...

CVE-2026-94374

MISP is affected by an Insecure Direct Object Reference (IDOR) in the processModuleResultsData method of the Event model. The report processing loop failed to unset the client-supplied id field before calling save() — unlike the adjacent attribute and object loops. Because the EventReport model's...

CVE-2026-94374 MISP: IDOR via Client-Supplied Report ID in Module Results Processing Allows Reparenting and Overwriting of Other Events' Reports

MISP contains an insecure direct object reference vulnerability in the processModuleResultsData method of the Event model. When processing module results, the code iterates over EventReport entries supplied in the resolved data and saves each one. Unlike the adjacent attribute and object processi...

CVE-2026-94374 MISP: IDOR via Client-Supplied Report ID in Module Results Processing Allows Reparenting and Overwriting of Other Events' Reports

MISP contains an insecure direct object reference vulnerability in the processModuleResultsData method of the Event model. When processing module results, the code iterates over EventReport entries supplied in the resolved data and saves each one. Unlike the adjacent attribute and object processi...

EUVD-2026-83904

MISP contains an insecure direct object reference vulnerability in the processModuleResultsData method of the Event model. When processing module results, the code iterates over EventReport entries supplied in the resolved data and saves each one. Unlike the adjacent attribute and object processi...

CVE-2026-94374 MISP: IDOR via Client-Supplied Report ID in Module Results Processing Allows Reparenting and Overwriting of Other Events' Reports

MISP contains an insecure direct object reference vulnerability in the processModuleResultsData method of the Event model. When processing module results, the code iterates over EventReport entries supplied in the resolved data and saves each one. Unlike the adjacent attribute and object processi...

CVE-2026-94373 MISP DOM-based Cross-Site Scripting via innerHTML in Contextual Menu

MISP contains a DOM-based cross-site scripting XSS vulnerability in the contextual menu JavaScript component. The ContextualMenu class populates HTML elements by assigning user-controllable values to the innerHTML property. Because innerHTML parses and renders HTML markup, any untrusted string...

CVE-2026-94373 MISP DOM-based Cross-Site Scripting via innerHTML in Contextual Menu

MISP contains a DOM-based cross-site scripting XSS vulnerability in the contextual menu JavaScript component. The ContextualMenu class populates HTML elements by assigning user-controllable values to the innerHTML property. Because innerHTML parses and renders HTML markup, any untrusted string...

CVE-2026-94373

MISP contains a DOM-based cross-site scripting XSS vulnerability in the contextual menu JavaScript component. The ContextualMenu class populates HTML elements by assigning user-controllable values to the innerHTML property. Because innerHTML parses and renders HTML markup, any untrusted string...

CVE-2026-94373 MISP DOM-based Cross-Site Scripting via innerHTML in Contextual Menu

MISP contains a DOM-based cross-site scripting XSS vulnerability in the contextual menu JavaScript component. The ContextualMenu class populates HTML elements by assigning user-controllable values to the innerHTML property. Because innerHTML parses and renders HTML markup, any untrusted string...