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7.4 High

CVE-2026-27851 When safe filter is used with variable expansion, all following pipelines on the same string are incorrectly interpreted…

Description

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.

Affected products and versions

Product Affected versions Fixed in
OX Dovecot Pro 3.1 earliest → 3.1.4 No fix stated
OX Dovecot Pro 2.4 earliest → 2.4.3 No fix stated
Red Hat Enterprise Linux 10 Versions not published
Red Hat Enterprise Linux 6 Versions not published
Red Hat Enterprise Linux 8 Versions not published
Red Hat Enterprise Linux 9 Versions not published

References

Timeline

  1. Published
  2. Last modified

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