CVE-2026-6638 Affecting libecpg6 package, versions <18.4-150200.5.12.1


Severity

Recommended
medium

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.02% (7th percentile)

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  • Snyk IDSNYK-SLES154-LIBECPG6-16756782
  • published19 May 2026
  • disclosed18 May 2026

Introduced: 18 May 2026

NewCVE-2026-6638  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 libecpg6 to version 18.4-150200.5.12.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libecpg6 package and not the libecpg6 package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1