CVE-2026-120154

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-120154", "assignerOrgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "state": "PUBLISHED", "assignerShortName": "PostgreSQL", "dateReserved": "2026-10-30T22:45:08.383Z", "datePublished": "2026-11-12T14:15:29.579Z", "dateUpdated": "2026-11-12T21:42:35.343Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "shortName": "PostgreSQL", "dateUpdated": "2026-11-12T14:15:29.579Z"}, "title": "PostgreSQL INSERT ... ON CONFLICT can read rows despite row security policies", "x_postgresql": {"component": "core server"}, "descriptions": [{"lang": "en", "value": "Improper protection in PostgreSQL INSERT ... ON CONFLICT allows an attacker having INSERT, UPDATE, and applicable SELECT privileges on the table to read every row despite row security policies, via iterated INSERT ... ON CONFLICT DO UPDATE. Unlike CVE-2026-16237, this does not facilitate improper writes. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected."}], "affected": [{"defaultStatus": "unaffected", "product": "PostgreSQL", "vendor": "n/a", "versions": [{"lessThan": "18.7", "status": "affected", "version": "18", "versionType": "rpm"}, {"lessThan": "17.12", "status": "affected", "version": "17", "versionType": "rpm"}, {"lessThan": "16.16", "status": "affected", "version": "16", "versionType": "rpm"}, {"lessThan": "15.20", "status": "affected", "version": "15", "versionType": "rpm"}, {"lessThan": "14.25", "status": "affected", "version": "0", "versionType": "rpm"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-424", "type": "CWE", "description": "Improper Protection of Alternate Path"}]}], "references": [{"url": "https://www.postgresql.org/support/security/CVE-2026-120154/"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM"}}], "configurations": [{"lang": "en", "value": "attacker has INSERT, UPDATE, and applicable SELECT privileges on a table with a row security policy"}], "credits": [{"lang": "en", "value": "The PostgreSQL project thanks Peter Geoghegan, Zsolt Parragi, Only see myself, Nicholas Carlini, Joao Detomini, Josef \u0160im\u00e1nek, and Qing Xu for reporting this problem."}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-12T21:10:35.332140Z", "id": "CVE-2026-120154", "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": "2026-11-12T21:42:35.343Z"}}]}}

{}

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{"bugzilla": {"description": "postgresql: PostgreSQL: Row-level security bypass via INSERT ON CONFLICT DO UPDATE", "id": "2572552", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2572552"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-268", "details": ["A flaw was found in PostgreSQL. An authenticated database user with table modification privileges can bypass Row-Level Security (RLS) policies, leading to unauthorized information disclosure. By executing iterated INSERT ... ON CONFLICT DO UPDATE statements, an attacker can read protected rows that should otherwise be restricted by security policies."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-120154", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "libpq", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "postgresql17", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "postgresql18", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-11-12T14:15:29Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-120154\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-120154\nhttps://www.postgresql.org/support/security/CVE-2026-120154/"], "statement": "This vulnerability is rated as Moderate because exploitation requires an authenticated database user who already possesses substantial table-level rights (such as INSERT, UPDATE, and SELECT) alongside tables with active Row-Level Security. In standard Red Hat environments, Row-Level Security policies are disabled by default and require explicit administrative activation per table. Additionally, the flaw is restricted to unintended row retrieval, preventing unauthorized data modification or host compromise.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[18,18.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[17,17.12)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[16,16.16)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[15,15.20)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,14.25)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "PostgreSQL", "source": "cna", "vendor": "n/a"}, "product": "postgresql", "vendor": "postgresql"}], "created": "2026-11-13T00:15:11.506119+00:00", "updated": "2026-11-13T09:30:18.724727+00:00", "vendors": ["postgresql", "postgresql$PRODUCT$postgresql"]}