NVD Vulnerability Detail
Search Exploit, PoC
CVE-2026-6638
Summary

SQL injection in PostgreSQL logical replication ALTER SUBSCRIPTION ... REFRESH PUBLICATION allows a subscriber table creator to execute arbitrary SQL with the subscription's publication-side credentials. The attack takes effect at the next REFRESH PUBLICATION. Within major versions 16, 17, and 18, minor versions before PostgreSQL 18.4, 17.10, and 16.14 are affected. Versions before PostgreSQL 16 are unaffected.

Publication Date May 14, 2026, 11:16 p.m.
Registration Date May 15, 2026, 4:24 a.m.
Last Update May 15, 2026, 1:21 a.m.
CVSS3.1 : LOW
スコア 3.7
Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR)
利用者の関与(UI)
影響の想定範囲(S) 変更なし
機密性への影響(C)
完全性への影響(I)
可用性への影響(A) なし
Related information, measures and tools
Common Vulnerabilities List