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CVE-2026-27851

7.4 HIGH

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

Published: 2026-05-12 · Last updated: 2026-05-18

Severity and scoring

CVSS
7.4 HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE
CWE-235

Affected products

VendorProduct
dovecotdovecot
open-xchangedovecot

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.

Source: NVD

References

Related CVEs

Same vendor

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