ALPINE-CVE-2026-6638

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Source
https://security.alpinelinux.org/vuln/CVE-2026-6638
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6638.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-6638
Upstream
  • CVE-2026-6638
Published
2026-05-14T14:16:25Z
Modified
2026-09-14T16:18:08Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Alpine:v3.20
postgresql16

Package

Name
postgresql16
Purl
pkg:apk/alpine/postgresql16?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
16.14-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6638.json"
Alpine:v3.21
postgresql16

Package

Name
postgresql16
Purl
pkg:apk/alpine/postgresql16?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
16.14-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6638.json"
postgresql17

Package

Name
postgresql17
Purl
pkg:apk/alpine/postgresql17?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
17.10-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6638.json"
Alpine:v3.22
postgresql16

Package

Name
postgresql16
Purl
pkg:apk/alpine/postgresql16?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
16.14-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6638.json"
postgresql17

Package

Name
postgresql17
Purl
pkg:apk/alpine/postgresql17?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
17.10-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6638.json"
Alpine:v3.23
postgresql17

Package

Name
postgresql17
Purl
pkg:apk/alpine/postgresql17?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
17.10-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6638.json"
postgresql18

Package

Name
postgresql18
Purl
pkg:apk/alpine/postgresql18?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
18.4-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6638.json"
Alpine:v3.24
postgresql17

Package

Name
postgresql17
Purl
pkg:apk/alpine/postgresql17?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
17.10-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6638.json"
postgresql18

Package

Name
postgresql18
Purl
pkg:apk/alpine/postgresql18?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
18.4-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6638.json"