This page tracks the Alpine Linux fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-27851 →

ALPINE-CVE-2026-27851

When safe filter is used with variable expansion, all following pipelines on the same string are incorrectly interpreted as safe too, enabling unsafe...

Original description

The description as published by the source.

When safe filter is used with variable expansion, all following pipelines on the same string are incorrectly interpreted as safe too, enabling unsafe data to be unescaped. This can enable SQL / LDAP injection attacks when used in authentication. Avoid using safe filter until on fixed version. No publicly available exploits are known.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Alpine:v3.23 dovecot

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.4-r0"}]}]

Alpine:v3.24 dovecot

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.4-r0"}]}]

References

advisory security.alpinelinux.org