CVE-2026-48845

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Summary

CVECVE-2026-48845
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-25 20:16:37 UTC
Updated2026-05-26 19:26:42 UTC
DescriptionIn Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16 and 1.7.x before 1.7.1, remote image blocking was not honored for URLs pointing to local/private destinations, which may lead to information disclosure or privilege escalation via a text/html email message.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

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

EPSS: 0.000310000 probability, percentile 0.092330000 (date 2026-05-26)

Problem Types: CWE-669 | CWE-669 CWE-669 Incorrect Resource Transfer Between Spheres

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
3.1CNACVSS6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Roundcube Webmail affected 1.6.14 1.6.16 semver Not specified
CNA Roundcube Webmail affected 1.7.0 1.7.1 semver Not specified

References

ReferenceSourceLinkTags
github.com/roundcube/roundcubemail/releases/tag/1.7.1 [email protected] github.com
github.com/roundcube/roundcubemail/commit/d82b8c6cd06c378eca6d647ccd548f... [email protected] github.com
github.com/roundcube/roundcubemail/releases/tag/1.6.16 [email protected] github.com
roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1 [email protected] roundcube.net
github.com/roundcube/roundcubemail/commit/7b52353653a67e6073b97d70eb9404... [email protected] github.com
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