{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-120066", "assignerOrgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "state": "PUBLISHED", "assignerShortName": "PostgreSQL", "dateReserved": "2026-10-30T19:25:18.920Z", "datePublished": "2026-11-02T19:09:14.964Z", "dateUpdated": "2026-11-02T19:37:32.927Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "shortName": "PostgreSQL", "dateUpdated": "2026-11-02T19:09:14.964Z"}, "title": "psqlODBC log files are created with default permissions at a predictable path and follow symbolic links", "datePublic": "2026-11-02T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "On Unix-like systems, when logging is enabled, psqlODBC creates its log files in /tmp by default, named from the program name, user name, and process ID, with the default permissions, typically world-readable, and follows symbolic links when opening them. A local user can read query text and data from another user's logs, and can place a symbolic link at the predictable path so that the driver appends log data to a file of the attacker's choosing with the victim's privileges. Versions before psqlODBC 18.00.0006 are affected."}], "affected": [{"vendor": "PostgreSQL", "product": "psqlODBC", "repo": "https://github.com/postgresql-interfaces/psqlodbc", "programFiles": ["mylog.c"], "programRoutines": [{"name": "MLOG_open"}, {"name": "qlog_misc"}], "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThan": "18.00.0006", "status": "affected", "versionType": "custom"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-732", "description": "CWE-732 Incorrect Permission Assignment for Critical Resource"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-59", "description": "CWE-59 Improper Link Resolution Before File Access ('Link Following')"}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "availabilityImpact": "NONE"}}], "workarounds": [{"lang": "en", "value": "Leave Debug and CommLog disabled in production. If logging is needed, set Logdir in the driver's section of odbcinst.ini (PostgreSQL Unicode or PostgreSQL ANSI) to a directory writable only by the user running the application."}], "solutions": [{"lang": "en", "value": "Upgrade to psqlODBC 18.00.0006 or later. On Unix-like systems, log files are opened with mode 0600 and O_NOFOLLOW, and an existing log file is used only if it is a regular file owned by the user running the application."}], "references": [{"url": "https://github.com/postgresql-interfaces/psqlodbc/security/advisories/GHSA-wj7r-6pj3-62g8", "tags": ["vendor-advisory"]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-02T19:37:21.337272Z", "id": "CVE-2026-120066", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-02T19:37:32.927Z"}}]}}

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