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CVE-2026-75002

Quick assessment

Affected
Roundcube Webmail
Exploitation
Public or AI PoC available; prioritize validation
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版本存在命令注入漏洞，该漏洞源于邮件搜索和LITERAL+字节计数不同步，可能通过IMAP命令注入导致信息泄露或权限提升。

CVSS 7.1 · High EPSS 1.32% · P68

Affected Version Matrix 2

VendorProduct Version RangeStatus
Roundcube Webmail 1.6.0< 1.6.18 affected
1.7.0< 1.7.3 affected
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I. Basic Information for CVE-2026-75002

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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, mail search and LITERAL+ byte-count desynchronization could lead to information disclosure or privilege escalation via IMAP command injection.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Roundcube Webmail 命令注入漏洞
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版本存在命令注入漏洞，该漏洞源于邮件搜索和LITERAL+字节计数不同步，可能通过IMAP命令注入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-2026-75002

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8610 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-75002

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Patches & Fixes for CVE-2026-75002 (3)

Vendor Advisories for CVE-2026-75002 (1)

Vendor Pages for CVE-2026-75002 (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-2026-75010 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-2026-75003 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-77

V. Comments for CVE-2026-75002

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