Roundcube

Germany Open Source roundcube.net ↗ ⚠ 4 CISA KEV
C
CAUTION
30
Total CVEs
7
Crit / High
13
Medium
2%
Unpatched
96%
Patched
5.8
Avg CVSS
4
CISA KEV
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▸ CVE Trend by Year
▸ Patch Coverage
Patched
96%
Unpatched
2%
Under Review
2%
✓ 44 patched ✗ 1 unpatched ~ 1 under review
▸ Intelligence by Audience
PoC Available
11 / 20 shown
CISA KEV (Exploited)
4
Shodan Dorks
ssl:"roundcube" port:443
org:"Roundcube" http.status:200
Top EPSS (Exploitation Probability)
CVE-2026-75002 2.28% exploitation probability
CVE-2026-74997 1.13% exploitation probability
CVE-2026-48842 0.89% exploitation probability
CVE-2026-62642 0.52% exploitation probability
CVE-2026-62644 0.50% exploitation probability
Quick Facts for Reporting
Total CVEs tracked
30
Critical severity
1
Actively exploited (CISA)
4
Unpatched ratio
2%
Avg CVSS score
5.8
Security grade
C (CAUTION)
NVD Data Attribution
Source: NIST National Vulnerability Database (NVD) + GitHub Advisory Database.
Data aggregated by Valters IT Hub · valtersit.com
Last updated: 2026-07-14
Security Risk Score (for investors)
LOW
Vuln Volume
GOOD
Patch Responsiveness
LOW
CISA Exposure
⚠ Not financial advice. Past security incidents do not guarantee future stock performance.
▸ Security News Google News
Roundcube Pre-Auth SQL Injection Flaw Actively Exploited in the Wild - The Hacker News
The Hacker News 2026-09-25
Hackers target vulnerabilities in Roundcube Webmail - Cybersecurity Dive
Cybersecurity Dive 2026-02-23
Hackers now exploit critical Roundcube flaw in code injection attacks - BleepingComputer
BleepingComputer 2026-09-24
Attackers Target Unpatched Roundcube Servers With CVE-2026-48842 - TechRepublic
TechRepublic 2026-09-25
Recent RoundCube Webmail Vulnerability Exploited in Attacks - SecurityWeek
SecurityWeek 2026-02-23
RoundCube 0-Click Vulnerability Enables Stored XSS Attack via MIME Type Attachment - CyberSecurityNews
CyberSecurityNews 2026-07-09
▸ Recent CVEs showing 20 of 46
CVE IDSeverityPatchEPSSDate
CVE-2026-75004 PoC 4.3 MEDIUM PATCHED / FIX AVAILABLE 0.27% 2026-08-17
CVE-2026-75002 7.1 HIGH PATCHED / FIX AVAILABLE 2.28% 2026-08-17
CVE-2026-75010 PoC 6.4 MEDIUM PATCHED / FIX AVAILABLE 0.29% 2026-08-17
CVE-2026-75006 5.8 MEDIUM PATCHED / FIX AVAILABLE 0.42% 2026-08-17
CVE-2026-74998 7.2 HIGH PATCHED / FIX AVAILABLE 0.44% 2026-08-17
CVE-2026-74999 PoC 5.4 MEDIUM PATCHED / FIX AVAILABLE 0.22% 2026-08-17
CVE-2026-75007 PoC 5.4 MEDIUM PATCHED / FIX AVAILABLE 0.35% 2026-08-17
CVE-2026-75000 PoC 5.8 MEDIUM PATCHED / FIX AVAILABLE 0.35% 2026-08-17
CVE-2026-74997 8.8 HIGH PATCHED / FIX AVAILABLE 1.13% 2026-08-17
CVE-2026-75003 PoC 5.8 MEDIUM PATCHED / FIX AVAILABLE 0.39% 2026-08-17
CVE-2026-62641 4.3 MEDIUM PATCHED / FIX AVAILABLE 0.47% 2026-07-14
CVE-2026-62644 PoC 6.4 MEDIUM PATCHED / FIX AVAILABLE 0.50% 2026-07-14
CVE-2026-54433 PoC 7.2 HIGH PATCHED / FIX AVAILABLE 0.31% 2026-07-14
CVE-2026-54432 PoC 4.7 MEDIUM PATCHED / FIX AVAILABLE 0.21% 2026-07-14
CVE-2026-62642 4.3 MEDIUM PATCHED / FIX AVAILABLE 0.52% 2026-07-14
CVE-2026-62643 7.2 HIGH PATCHED / FIX AVAILABLE 0.44% 2026-07-14
CVE-2026-9818 4.7 MEDIUM UNKNOWN / UNPATCHED — 2026-05-28
CVE-2026-48842 PoC 8.1 HIGH PATCHED / FIX AVAILABLE 0.89% 2026-05-25
CVE-2026-48849 PoC 4.4 MEDIUM PATCHED / FIX AVAILABLE 0.24% 2026-05-25
CVE-2026-48845 6.5 MEDIUM PATCHED / FIX AVAILABLE 0.38% 2026-05-25
View all 46 CVEs for Roundcube →
▸Intel
CountryGermany
LicenseOpen Source
Trust ScoreC — CAUTION
Max CVSS9.9
Last Updated2026-07-14
▸Top Weaknesses
CWE-79
Cross-Site Scripting (XSS)
15 occurrences in Roundcube CVEs (50% of total)
CWE-79 ⓘ
15
CWE-200
Sensitive Information Exposure
5 occurrences in Roundcube CVEs (17% of total)
CWE-200 ⓘ
5
CWE-502
Deserialization of Untrusted Data
3 occurrences in Roundcube CVEs (10% of total)
CWE-502 ⓘ
3
CWE-843
Unknown Weakness Type
1 occurrence in Roundcube CVEs (3% of total)
CWE-843 ⓘ
1
CWE-184
Unknown Weakness Type
1 occurrence in Roundcube CVEs (3% of total)
CWE-184 ⓘ
1
CWE-77
Unknown Weakness Type
1 occurrence in Roundcube CVEs (3% of total)
CWE-77 ⓘ
1
CWE-78
Unknown Weakness Type
1 occurrence in Roundcube CVEs (3% of total)
CWE-78 ⓘ
1
CWE-94
Code Injection
1 occurrence in Roundcube CVEs (3% of total)
CWE-94 ⓘ
1
▸Company Profile

Roundcube is an open-source webmail client software developed and maintained by the Roundcube community. It provides a browser-based email interface with features like address book, folder management, and MIME support, and is widely used as a self-hosted alternative to proprietary webmail services. Its cybersecurity relevance stems from its role as a common target for email-based attacks, with a tracked CVE history of 30 vulnerabilities.

▸Response Metrics
Est. MTTR ⓘ ~49 days (Good)
Mean Time To Remediate. Estimates days from CVE disclosure to patch.
Industry avg: ~60d (good) · 100-300d (poor) · 300d+ (critical)
CVE Trend ⓘ ↗ +400% worse
CVE count 2026 vs 2025:  4 → 20 CVEs
Patch Speed ⓘ Poor (>65% open)
2% of CVEs still unpatched.  Excellent: <20% · Good: 20-40% · Avg: 40-65% · Poor: >65%
▸ Financial Risk Estimate
Est. GDPR Low
€710K
Est. GDPR High
€7.1M

Based on 1 critical CVEs, 4 CISA KEV, 90% unpatched. Model: GDPR Art.83 · not legal advice.

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