{"id":"CVE-2026-55765","state":"PUBLISHED","title":"CloudNativePG: Cleartext role passwords recorded in pg_stat_statements allow privileged tenant  roles to recover the PostgreSQL superuser credential and achieve RCE in the database pod","description":"CloudNativePG is a platform designed to manage PostgreSQL databases within Kubernetes environments. Prior to 1.28.4 and 1.29.2, CloudNativePG embedded cleartext role passwords in `ALTER ROLE` and `CREATE ROLE` statements generated by SetUserPassword in pkg/management/postgres/utils/roles.go and appendPasswordOption in internal/management/controller/roles/postgres.go. When pg_stat_statements was preloaded with track_utility enabled and an untrusted tenant held pg_monitor or pg_read_all_stats, the tenant could recover platform-managed superuser or application-owner passwords, reconnect through enabled superuser TCP access, and execute operating system commands in the database pod with `COPY ... FROM PROGRAM`. Clusters using SCRAM-SHA-256 verifiers in managed-role Secrets were not affected. This issue is fixed in versions 1.28.4, 1.29.2, and 1.30.0.","publishedAt":"2026-08-20T21:38:47.952Z","updatedAt":"2026-08-25T15:29:20.264Z","severity":{"score":8.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["cloudnative-pg cloudnative-pg"],"affected":[{"vendor":"cloudnative-pg","product":"cloudnative-pg","versions":[{"version":"< 1.28.4","status":"affected"},{"version":">= 1.29.0, < 1.29.2","status":"affected"}]}],"references":["https://github.com/cloudnative-pg/cloudnative-pg/security/advisories/GHSA-w3gf-xc94-wvmj","https://github.com/cloudnative-pg/cloudnative-pg/pull/10724","https://github.com/cloudnative-pg/cloudnative-pg/commit/2f0342747e1f160425b9d51753c0069b0d6117d5","https://github.com/cloudnative-pg/cloudnative-pg/commit/3cd5af5d388c26758acf13c19ea806b4bcebb3fe","https://github.com/cloudnative-pg/cloudnative-pg/commit/9a13573dbe3d78721b7ea92141e6d2324a2c0ef0","https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.28.4","https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.29.2","https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.30.0"],"weaknesses":["CWE-256","CWE-522"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/55xxx/CVE-2026-55765.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-55765","state":"PUBLISHED","datePublished":"2026-08-20T21:38:47.952Z","dateUpdated":"2026-08-25T15:29:20.264Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-17T14:34:51.880Z"},"containers":{"cna":{"title":"CloudNativePG: Cleartext role passwords recorded in pg_stat_statements allow privileged tenant  roles to recover the PostgreSQL superuser credential and achieve RCE in the database pod","descriptions":[{"lang":"en","value":"CloudNativePG is a platform designed to manage PostgreSQL databases within Kubernetes environments. Prior to 1.28.4 and 1.29.2, CloudNativePG embedded cleartext role passwords in `ALTER ROLE` and `CREATE ROLE` statements generated by SetUserPassword in pkg/management/postgres/utils/roles.go and appendPasswordOption in internal/management/controller/roles/postgres.go. When pg_stat_statements was preloaded with track_utility enabled and an untrusted tenant held pg_monitor or pg_read_all_stats, the tenant could recover platform-managed superuser or application-owner passwords, reconnect through enabled superuser TCP access, and execute operating system commands in the database pod with `COPY ... FROM PROGRAM`. Clusters using SCRAM-SHA-256 verifiers in managed-role Secrets were not affected. This issue is fixed in versions 1.28.4, 1.29.2, and 1.30.0."}],"affected":[{"vendor":"cloudnative-pg","product":"cloudnative-pg","versions":[{"version":"< 1.28.4","status":"affected"},{"version":">= 1.29.0, < 1.29.2","status":"affected"}]}],"references":[{"url":"https://github.com/cloudnative-pg/cloudnative-pg/security/advisories/GHSA-w3gf-xc94-wvmj","name":"https://github.com/cloudnative-pg/cloudnative-pg/security/advisories/GHSA-w3gf-xc94-wvmj","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/cloudnative-pg/cloudnative-pg/pull/10724","name":"https://github.com/cloudnative-pg/cloudnative-pg/pull/10724","tags":["x_refsource_MISC"]},{"url":"https://github.com/cloudnative-pg/cloudnative-pg/commit/2f0342747e1f160425b9d51753c0069b0d6117d5","name":"https://github.com/cloudnative-pg/cloudnative-pg/commit/2f0342747e1f160425b9d51753c0069b0d6117d5","tags":["x_refsource_MISC"]},{"url":"https://github.com/cloudnative-pg/cloudnative-pg/commit/3cd5af5d388c26758acf13c19ea806b4bcebb3fe","name":"https://github.com/cloudnative-pg/cloudnative-pg/commit/3cd5af5d388c26758acf13c19ea806b4bcebb3fe","tags":["x_refsource_MISC"]},{"url":"https://github.com/cloudnative-pg/cloudnative-pg/commit/9a13573dbe3d78721b7ea92141e6d2324a2c0ef0","name":"https://github.com/cloudnative-pg/cloudnative-pg/commit/9a13573dbe3d78721b7ea92141e6d2324a2c0ef0","tags":["x_refsource_MISC"]},{"url":"https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.28.4","name":"https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.28.4","tags":["x_refsource_MISC"]},{"url":"https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.29.2","name":"https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.29.2","tags":["x_refsource_MISC"]},{"url":"https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.30.0","name":"https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.30.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-256","lang":"en","description":"CWE-256: Plaintext Storage of a Password","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-522","lang":"en","description":"CWE-522: Insufficiently Protected Credentials","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-20T21:38:47.952Z"},"source":{"advisory":"GHSA-w3gf-xc94-wvmj","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-25T15:29:09.334896Z","id":"CVE-2026-55765","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-25T15:29:20.264Z"}}]}}}