CVE-2026-48845
published 2026-05-25CVE-2026-48845: In 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…
PriorityP335medium6.5CVSS 3.1
AVNACLPRNUINSUCLILAN
EPSS
0.32%
23.2th percentile
In 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.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| roundcube | webmail | >= 1.6.14 < 1.6.16 | 1.6.16 |
| roundcube | webmail | >= 1.7.0 < 1.7.1 | 1.7.1 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
cvelistv5v3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
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GHSA
GHSA-g4h2-2gp2-j3wq: In Roundcube Webmail 1
ghsa_unreviewed·2026-05-26
CVE-2026-48845 [MEDIUM] CWE-669 GHSA-g4h2-2gp2-j3wq: In Roundcube Webmail 1
In 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.
VulDB
Roundcube Webmail up to 1.6.15/1.7.0 Email Message resource transfer
vuldb·2026-05-25
CVE-2026-48845 [CRITICAL] Roundcube Webmail up to 1.6.15/1.7.0 Email Message resource transfer
A vulnerability classified as critical has been found in Roundcube Webmail up to 1.6.15/1.7.0. Affected by this issue is some unknown functionality of the component Email Message Handler. Performing a manipulation results in incorrect resource transfer.
This vulnerability was named CVE-2026-48845. The attack may be initiated remotely. There is no available exploit.
It is recommended to upgrade the affected component.
CVEList
CVE-2026-48845: In Roundcube Webmail 1
cvelistv5·2026-05-25·CVSS 6.5
CVE-2026-48845 [MEDIUM] CWE-669 CVE-2026-48845: In Roundcube Webmail 1
In 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.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-48845 roundcubemail: privilege escalation via remote image blocking bypass [epel-all]
bugzilla·2026-05-26·CVSS 6.5
CVE-2026-48845 [MEDIUM] CVE-2026-48845 roundcubemail: privilege escalation via remote image blocking bypass [epel-all]
CVE-2026-48845 roundcubemail: privilege escalation via remote image blocking bypass [epel-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Bugzilla
CVE-2026-48845 roundcubemail: privilege escalation via remote image blocking bypass [fedora-all]
bugzilla·2026-05-26·CVSS 6.5
CVE-2026-48845 [MEDIUM] CVE-2026-48845 roundcubemail: privilege escalation via remote image blocking bypass [fedora-all]
CVE-2026-48845 roundcubemail: privilege escalation via remote image blocking bypass [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Bugzilla
CVE-2026-48845 roundcubemail: privilege escalation via remote image blocking bypass
bugzilla·2026-05-25·CVSS 6.5
CVE-2026-48845 [MEDIUM] CVE-2026-48845 roundcubemail: privilege escalation via remote image blocking bypass
CVE-2026-48845 roundcubemail: privilege escalation via remote image blocking bypass
In 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.
https://github.com/roundcube/roundcubemail/commit/7b52353653a67e6073b97d70eb94047132b78556https://github.com/roundcube/roundcubemail/commit/d82b8c6cd06c378eca6d647ccd548f4ff1c68659https://github.com/roundcube/roundcubemail/releases/tag/1.6.16https://github.com/roundcube/roundcubemail/releases/tag/1.7.1https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1
2026-05-25
Published