EUVD-2026-77442
GHSA-wxf7-wrjx-26cc
Severity by source
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Requires local high-privilege CLI access; impact is solely audit log misattribution with no confidentiality or availability effect.
Primary rating from Vendor (CIRCL).
CVSS VectorVendor: CIRCL
Lifecycle Timeline
3DescriptionCVE.org
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
AnalysisAI
MISP's interactive CLI shell (versions ≤2.5.45) silently misattributes audit log entries when the CakePHP SysLogLogable singleton has its user context overwritten by a lazy-loaded model, causing privileged CLI writes to appear in the audit trail under the wrong user identity. Additionally, CLI-originated records lacked any distinguishing marker, making them indistinguishable from ordinary web-session actions in audit logs - a forensic and compliance problem for organizations relying on MISP's audit trail to attribute administrative activity. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires local filesystem access sufficient to execute MISP's app/Console/cake binary - in practice, this means OS-level access to the MISP application server with read access to app/config/database.php (as documented in MISP's CLI safety notes). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:L/AC:L/AT:N/PR:H, score 4.6) accurately reflects real-world risk: exploiting this issue requires local system access sufficient to execute MISP's app/Console/cake CLI binary, which itself demands filesystem-level privileges. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade MISP to version 2.5.46 or later, which incorporates the upstream fix at commit d13e5db33 (https://github.com/MISP/MISP/commit/d13e5db33). … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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