Description
Affected versions of MISP’s interactive CLI shell do not reliably preserve the identity of the impersonated MISP user across audit logging.


The shell is designed to run actions as a supplied MISP user ID. However, the legacy SysLogLogable behavior stored that identity in behavior-instance state that could be overwritten when another model lazily attached the shared behavior. Consequently, subsequent CLI writes could lose the intended user attribution and be logged incorrectly. The commit also notes that CLI-originated records lacked a CLI marker, making them appear similar to ordinary web actions by that user.



Version affected: ≤2.5.45
Published: 2026-09-14
Score: 4.6 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

The fix introduces a process-wide static identity (setShellUser) on SysLogLogableBehavior that is resolved at write time rather than at setup time, so it survives lazy model loads that re-run setup() on the singleton. The behavior appends 'via CLI' to the log description for shell-originated rows, mirroring the request_type = CLI marker in the new audit engine. The CLI shell now publishes the impersonated user through both Configure::write('CurrentUserId') and SysLogLogableBehavior::setShellUser() before any write. Explicit extralog calls were added for CLI user edit, disable, and delete operations so the default audit engine records them the same way the web path does. Background jobs that publish no user continue to log as SYSTEM without a CLI marker.

Tracking

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History

Mon, 14 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 14 Sep 2026 12:45:00 +0000

Type Values Removed Values Added
Description Affected versions of MISP’s interactive CLI shell do not reliably preserve the identity of the impersonated MISP user across audit logging. The shell is designed to run actions as a supplied MISP user ID. However, the legacy SysLogLogable behavior stored that identity in behavior-instance state that could be overwritten when another model lazily attached the shared behavior. Consequently, subsequent CLI writes could lose the intended user attribution and be logged incorrectly. The commit also notes that CLI-originated records lacked a CLI marker, making them appear similar to ordinary web actions by that user. Version affected: ≤2.5.45
Title MISP CLI Shell Audit Logs Lose User Identity and CLI Marker After First Lazy Model Load
Weaknesses CWE-223
CWE-778
References
Metrics cvssV4_0

{'score': 4.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: CIRCL

Published:

Updated: 2026-09-14T13:00:29.069Z

Reserved: 2026-09-14T12:37:52.348Z

Link: CVE-2026-90955

cve-icon Vulnrichment

Updated: 2026-09-14T12:57:04.186Z

cve-icon NVD

Status : Received

Published: 2026-09-14T13:19:32.583

Modified: 2026-09-14T13:19:32.583

Link: CVE-2026-90955

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses