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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.

PUBLISHED Reserved 2026-02-24 | Published 2026-05-12 | Updated 2026-05-12 | Assigner OX




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

Problem types

Improper Handling of Extra Parameters

Product status

Default status
unaffected

Any version
affected

Any version
affected

References

documentation.open-xchange.com/...26/oxdc-adv-2026-0002.json vendor-advisory

cve.org (CVE-2026-27851)

nvd.nist.gov (CVE-2026-27851)

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