Description
In affected versions of MISP cti-transmute, the conversion-history details endpoint performs an incomplete authorization check. When a history record references a deleted conversion, the associated conversion lookup returns None. The previous logic only denied access when the conversion object existed and the visibility check failed. As a result, deleted conversions bypassed the authorization check and their retained history input/output could be disclosed to a user able to request the corresponding history entry. The July 22, 2026 commit changes the logic to deny access whenever the conversion is missing or the requester lacks permission
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Remediation
No vendor fix or workaround currently provided.
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References
History
Mon, 10 Aug 2026 14:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In affected versions of MISP cti-transmute, the conversion-history details endpoint performs an incomplete authorization check. When a history record references a deleted conversion, the associated conversion lookup returns None. The previous logic only denied access when the conversion object existed and the visibility check failed. As a result, deleted conversions bypassed the authorization check and their retained history input/output could be disclosed to a user able to request the corresponding history entry. The July 22, 2026 commit changes the logic to deny access whenever the conversion is missing or the requester lacks permission | |
| Title | cti-transmute Conversion History Authorization Bypass Leads to Sensitive Data Disclosure After Conversion Deletion | |
| Weaknesses | CWE-862 | |
| References |
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| Metrics |
cvssV4_0
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Subscriptions
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Status: PUBLISHED
Assigner: CIRCL
Published:
Updated: 2026-08-10T14:19:13.478Z
Reserved: 2026-08-10T14:18:43.725Z
Link: CVE-2026-72759
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OpenCVE Enrichment
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Weaknesses