{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55147", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-16T15:13:28.164Z", "datePublished": "2026-10-30T21:29:38.725Z", "dateUpdated": "2026-10-30T21:29:38.725Z"}, "containers": {"cna": {"title": "LORIS has incorrect access checks in API for Imaging Browser", "problemTypes": [{"descriptions": [{"cweId": "CWE-862", "lang": "en", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/aces/Loris/security/advisories/GHSA-m48r-jv24-jjcx", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/aces/Loris/security/advisories/GHSA-m48r-jv24-jjcx"}, {"name": "https://github.com/aces/Loris/pull/10531", "tags": ["x_refsource_MISC"], "url": "https://github.com/aces/Loris/pull/10531"}, {"name": "https://github.com/aces/Loris/commit/b13053597530ee33fbced35085d2490bc9ccc03a", "tags": ["x_refsource_MISC"], "url": "https://github.com/aces/Loris/commit/b13053597530ee33fbced35085d2490bc9ccc03a"}, {"name": "https://github.com/aces/Loris/releases/tag/v27.0.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/aces/Loris/releases/tag/v27.0.4"}, {"name": "https://github.com/aces/Loris/releases/tag/v28.0.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/aces/Loris/releases/tag/v28.0.2"}], "affected": [{"vendor": "aces", "product": "Loris", "versions": [{"version": ">= 22.0.0, < 27.0.4", "status": "affected"}, {"version": ">= 28.0.0, < 28.0.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-30T21:29:38.725Z"}, "descriptions": [{"lang": "en", "value": "LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. In versions from 22.0.0 prior to 27.0.4 and from 28.0.0 prior to 28.0.2, the `API` for the `imaging_browser` module permits edits to imaging data without checking the frontend permissions that restrict editing in Imaging Browser. An authenticated `API` caller can therefore modify imaging data without the required edit authorization. Deployments that no longer use the `API` can disable it to remove access to this endpoint. This issue is fixed in versions 27.0.4 and 28.0.2."}], "source": {"advisory": "GHSA-m48r-jv24-jjcx", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "Loris", "vendor": "aces", "versions": [{"status": "affected", "version": ">= 22.0.0, < 27.0.4"}, {"status": "affected", "version": ">= 28.0.0, < 28.0.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "LORIS (Longitudinal Online Research and Imaging System) is a self-hosted web application that provides data- and project-management for neuroimaging research. In versions from 22.0.0 prior to 27.0.4 and from 28.0.0 prior to 28.0.2, the `API` for the `imaging_browser` module permits edits to imaging data without checking the frontend permissions that restrict editing in Imaging Browser. An authenticated `API` caller can therefore modify imaging data without the required edit authorization. Deployments that no longer use the `API` can disable it to remove access to this endpoint. This issue is fixed in versions 27.0.4 and 28.0.2."}], "id": "CVE-2026-55147", "lastModified": "2026-10-30T22:16:54.807", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-30T22:16:54.807", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/aces/Loris/commit/b13053597530ee33fbced35085d2490bc9ccc03a"}, {"source": "security-advisories@github.com", "url": "https://github.com/aces/Loris/pull/10531"}, {"source": "security-advisories@github.com", "url": "https://github.com/aces/Loris/releases/tag/v27.0.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/aces/Loris/releases/tag/v28.0.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/aces/Loris/security/advisories/GHSA-m48r-jv24-jjcx"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[22.0.0,27.0.4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[28.0.0,28.0.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Loris", "source": "cna", "vendor": "aces"}, "product": "loris", "vendor": "aces"}], "created": "2026-10-30T22:30:13.722573+00:00", "updated": "2026-10-30T22:30:14.368509+00:00", "vendors": ["aces", "aces$PRODUCT$loris"]}