Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-75003

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团队开源的一款Web邮件客户端软件。 Roundcube Webmail 1.6.18之前版本和1.7.3版本之前的1.7.x版本存在权限许可和访问控制问题漏洞，该漏洞源于SVG图像的FuncIRI属性中未闭合的url()，可能绕过远程图像阻止，导致信息泄露或权限提升。

CVSS 5.8 · Medium EPSS 0.31% · P23

Possible ATT&CK Techniques 1 AI

T1561.001 · Disk Content Wipe

Affected Version Matrix 2

VendorProduct Version RangeStatus
Roundcube Webmail 1.6.0< 1.6.18 affected
1.7.0< 1.7.3 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-75003

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attribute of an SVG image could evade the remote image blocking, which may lead to information disclosure or privilege escalation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/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 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Roundcube Webmail是Roundcube团队开源的一款Web邮件客户端软件。 Roundcube Webmail 1.6.18之前版本和1.7.3版本之前的1.7.x版本存在权限许可和访问控制问题漏洞，该漏洞源于SVG图像的FuncIRI属性中未闭合的url()，可能绕过远程图像阻止，导致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 1.6.0 ~ 1.6.18 -

II. Public POCs for CVE-2026-75003

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-75003

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-75003 (3)

Vendor Advisories for CVE-2026-75003 (1)

Vendor Pages for CVE-2026-75003 (1)

Same Patch Batch · Roundcube · 2026-08-17 · 10 CVEs total

CVE-2026-74997 8.8 HIGH Roundcube Webmail 命令注入漏洞
CVE-2026-74998 7.2 HIGH Roundcube Webmail 跨站脚本漏洞
CVE-2026-75002 7.1 HIGH Roundcube Webmail 命令注入漏洞
CVE-2026-75010 6.4 MEDIUM Roundcube Webmail 权限许可和访问控制问题漏洞
CVE-2026-75000 5.8 MEDIUM Roundcube Webmail 权限许可和访问控制问题漏洞
CVE-2026-75006 5.8 MEDIUM Roundcube Webmail 服务端请求伪造漏洞
CVE-2026-74999 5.4 MEDIUM Roundcube Webmail 跨站脚本漏洞
CVE-2026-75007 5.4 MEDIUM Roundcube Webmail 命令注入漏洞
CVE-2026-75004 4.3 MEDIUM Roundcube Webmail 命令注入漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-75003

No comments yet

Leave a comment