{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-124318", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-07T12:27:51.208Z", "datePublished": "2026-11-07T14:17:57.859Z", "dateUpdated": "2026-11-07T14:17:57.859Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-07T14:17:57.859Z"}, "datePublic": "2026-11-06T00:00:00.000Z", "title": "Treeio through 2.0 Insecure Deserialization RCE via Admin-Editable Pickle Fields", "descriptions": [{"lang": "en", "value": "Treeio through 2.0 contains an insecure deserialization vulnerability in UpdateRecord.get_format_strings and ModuleSetting.loads that allows staff users to execute code via unverified pickle data. Attackers can store a crafted base64 pickle payload in an UpdateRecord format_strings field through the Django admin, executing Python code as the web server user when news feeds render."}], "tags": ["unsupported-when-assigned"], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Deserialization of Untrusted Data", "cweId": "CWE-502", "type": "CWE"}]}], "affected": [{"vendor": "treeio", "product": "treeio", "packageURL": "pkg:github/treeio/treeio", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThanOrEqual": "2.0", "status": "affected", "versionType": "custom"}], "repo": "https://github.com/treeio/treeio"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.6, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/treeio/treeio/issues/165", "tags": ["issue-tracking"]}, {"url": "https://github.com/treeio/treeio/blob/bae3115f4015aad2cbc5ab45572232ceec990495/treeio/core/models.py#L1101-L1109", "tags": ["technical-description"]}, {"url": "https://github.com/treeio/treeio/blob/bae3115f4015aad2cbc5ab45572232ceec990495/treeio/core/models.py#L1265-L1273", "tags": ["technical-description"]}, {"url": "https://github.com/treeio/treeio", "tags": ["product"]}, {"name": "VulnCheck Advisory: Treeio through 2.0 Insecure Deserialization RCE via Admin-Editable Pickle Fields", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/treeio-through-2.0-insecure-deserialization-rce-via-admin-editable-pickle-fields"}], "credits": [{"lang": "en", "value": "MJ DHURGESH", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}