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CVE-2026-6476

SQL injection in PostgreSQL pg_createsubscriber allows an attacker with pg_create_subscription rights to execute arbitrary SQL as a superuser. The attack takes effect when pg_createsubscriber next runs. Within major versions 17 and 18, minor versions before PostgreSQL 18.4 and 17.10 are affected. Versions before PostgreSQL 17 are unaffected.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f2f806306dfd399d5448e92b279caf70b085a9dc176b9db4839ce43277948026
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"PostgreSQL","vendor":"n/a","versions":[{"lessThan":"18.4","status":"affected","version":"18","versionType":"rpm"},{"lessThan":"17.10","status":"affected","version":"17","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:29ce98b86eab535662a8d9bf5a272be8dcff58a317eebb33b5fe9b128a010f37 · sha256:38872687dc0144c3… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.2,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:29ce98b86eab535662a8d9bf5a272be8dcff58a317eebb33b5fe9b128a010f37 · sha256:38872687dc0144c3… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-89","description":"Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:29ce98b86eab535662a8d9bf5a272be8dcff58a317eebb33b5fe9b128a010f37 · sha256:38872687dc0144c3… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://www.postgresql.org/support/security/CVE-2026-6476/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:29ce98b86eab535662a8d9bf5a272be8dcff58a317eebb33b5fe9b128a010f37 · sha256:38872687dc0144c3… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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