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Description

Roundcube Webmail 1.6.x before 1.6.16, and 1.7.x before 1.7.1 allows pre-authentication arbitrary file deletion via redis/memcache session poisoning bypass.

PUBLISHED Reserved 2026-05-25 | Published 2026-05-25 | Updated 2026-05-26 | Assigner mitre




LOW: 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Problem types

CWE-669 Incorrect Resource Transfer Between Spheres

Product status

Default status
unaffected

1.6.0 (semver) before 1.6.16
affected

1.7.0 (semver) before 1.7.1
affected

References

roundcube.net/...026/05/24/security-updates-1.6.16-and-1.7.1

github.com/roundcube/roundcubemail/releases/tag/1.7.1

github.com/...ommit/a4eb375b98cc3d055de665c34efc729dd8ef272a

github.com/roundcube/roundcubemail/releases/tag/1.6.16

github.com/...ommit/703318e6a59515b73b0d8aa2a91e346b02f56baa

cve.org (CVE-2026-48847)

nvd.nist.gov (CVE-2026-48847)

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