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CVE-2026-48845

Quick assessment

Affected
Roundcube Webmail
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Roundcube Webmail是Roundcube开源的一款基于浏览器的开源IMAP客户端，它支持地址薄管理、信息搜索、拼写检查等。 Roundcube Webmail 1.6.14至1.6.16版本和1.7.1之前版本存在安全漏洞，该漏洞源于远程图片拦截功能未对指向本地或私有目的地的URL生效，可能导致通过text/html邮件信息泄露或权限提升。

CVSS 6.5 · Medium EPSS 0.45% · P37

Affected Version Matrix 2

VendorProduct Version RangeStatus
Roundcube Webmail 1.6.14< 1.6.16 affected
1.7.0< 1.7.1 affected
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I. Basic Information for CVE-2026-48845

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在范围间的资源转移不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Roundcube Webmail 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Roundcube Webmail是Roundcube开源的一款基于浏览器的开源IMAP客户端，它支持地址薄管理、信息搜索、拼写检查等。 Roundcube Webmail 1.6.14至1.6.16版本和1.7.1之前版本存在安全漏洞，该漏洞源于远程图片拦截功能未对指向本地或私有目的地的URL生效，可能导致通过text/html邮件信息泄露或权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Roundcube Webmail 1.6.14 ~ 1.6.16 -

II. Public POCs for CVE-2026-48845

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III. Intelligence Information for CVE-2026-48845

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Patches & Fixes for CVE-2026-48845 (2)

Vendor Advisories for CVE-2026-48845 (1)

Vendor Pages for CVE-2026-48845 (2)

Same Patch Batch · Roundcube · 2026-05-25 · 8 CVEs total

CVE-2026-48842 8.1 HIGH Roundcube Webmail SQL注入漏洞
CVE-2026-48844 7.5 HIGH Roundcube Webmail 安全漏洞
CVE-2026-48843 7.2 HIGH Roundcube Webmail 代码问题漏洞
CVE-2026-48848 7.2 HIGH Roundcube Webmail 跨站脚本漏洞
CVE-2026-48846 6.5 MEDIUM Roundcube Webmail 安全漏洞
CVE-2026-48849 4.4 MEDIUM Roundcube Webmail 跨站脚本漏洞
CVE-2026-48847 3.7 LOW Roundcube Webmail 安全漏洞

IV. Related Vulnerabilities

Same product: Webmail
Same vendor: Roundcube
Same weakness: CWE-669

V. Comments for CVE-2026-48845

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