{"api_version":"1","generated_at":"2026-11-02T21:34:54+00:00","cve":"CVE-2026-120066","urls":{"html":"https://cve.report/CVE-2026-120066","api":"https://cve.report/api/cve/CVE-2026-120066.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-120066","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-120066"},"summary":{"title":"psqlODBC log files are created with default permissions at a predictable path and follow symbolic links","description":"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.","state":"PUBLISHED","assigner":"PostgreSQL","published_at":"2026-11-02 19:18:03","updated_at":"2026-11-02 20:17:39"},"problem_types":["CWE-59","CWE-732","CWE-732 CWE-732 Incorrect Permission Assignment for Critical Resource","CWE-59 CWE-59 Improper Link Resolution Before File Access ('Link Following')"],"metrics":[{"version":"3.1","source":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","type":"Secondary","score":"5.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N","data":{"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"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"5.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N","data":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N","version":"3.1"}}],"references":[{"url":"https://github.com/postgresql-interfaces/psqlodbc/security/advisories/GHSA-wj7r-6pj3-62g8","name":"https://github.com/postgresql-interfaces/psqlodbc/security/advisories/GHSA-wj7r-6pj3-62g8","refsource":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-120066","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-120066","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"PostgreSQL","product":"psqlODBC","version":"affected 18.00.0006 custom","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","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.","time":"","lang":"en"}],"workarounds":[{"source":"CNA","title":"","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.","time":"","lang":"en"}],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-120066","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-11-02T19:37:21.337272Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-11-02T19:37:32.927Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"psqlODBC","programFiles":["mylog.c"],"programRoutines":[{"name":"MLOG_open"},{"name":"qlog_misc"}],"repo":"https://github.com/postgresql-interfaces/psqlodbc","vendor":"PostgreSQL","versions":[{"lessThan":"18.00.0006","status":"affected","version":"0","versionType":"custom"}]}],"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."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-732","description":"CWE-732 Incorrect Permission Assignment for Critical Resource","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-59","description":"CWE-59 Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-11-02T19:09:14.964Z","orgId":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","shortName":"PostgreSQL"},"references":[{"tags":["vendor-advisory"],"url":"https://github.com/postgresql-interfaces/psqlodbc/security/advisories/GHSA-wj7r-6pj3-62g8"}],"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."}],"title":"psqlODBC log files are created with default permissions at a predictable path and follow symbolic links","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."}]}},"cveMetadata":{"assignerOrgId":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","assignerShortName":"PostgreSQL","cveId":"CVE-2026-120066","datePublished":"2026-11-02T19:09:14.964Z","dateReserved":"2026-10-30T19:25:18.920Z","dateUpdated":"2026-11-02T19:37:32.927Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-11-02 19:18:03","lastModifiedDate":"2026-11-02 20:17:39","problem_types":["CWE-59","CWE-732","CWE-732 CWE-732 Incorrect Permission Assignment for Critical Resource","CWE-59 CWE-59 Improper Link Resolution Before File Access ('Link Following')"],"metrics":{"cvssMetricV31":[{"source":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","type":"Secondary","cvssData":{"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"},"exploitabilityScore":1,"impactScore":4.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-11-02T19:37:21.337272Z","id":"CVE-2026-120066","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"120066","Ordinal":"1","Title":"psqlODBC log files are created with default permissions at a pre","CVE":"CVE-2026-120066","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"120066","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"psqlODBC log files are created with default permissions at a pre"}]}}}