CVE-2026-114730 Details
Roundcube Webmail 1.6.14 before 1.6.20 and 1.7.0 before 1.7.5 is affected by a server-side request forgery filter bypass. The network blocklist used by rcube_utils::is_local_url() omitted the RFC 6052 NAT64 prefix 64:ff9b::/96, the RFC 8215 local-use NAT64 prefix 64:ff9b:1::/48 and the unspecified address ::/128, so URLs such as http://[64:ff9b::7f00:1]/ passed the filter and reached loopback, link-local and cloud metadata addresses. Upstream fixed this in the commit “Fix SSRF filter (is_local_url()) bypass via NAT64 64:ff9b::/96”.
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Exploit prediction scoring system (EPSS) score for CVE-2026-114730
EPSS (Exploit Prediction Scoring System): EPSS predicts the likelihood that a vulnerability will be exploited in the wild. A higher percentage means a greater chance of an exploit occurring. The EPSS model produces a probability score between 0 and 1 (0 and 100%).
0.37 Probability of exploitation activity being observed over the next 30 days (32st percentile)
CVSS score for CVE-2026-114730
CVSS (Common Vulnerability Scoring System): An open framework owned and managed by FIRST.Org, Inc. that assigns a numerical score from 0 to 10 to software vulnerabilities to indicate their severity.
7.2 High
Products affected by CVE-2026-114730
Webmail 1.7.0
Webmail 1.6.14
Webmail 1.6.15
Webmail 1.6.16
Webmail 1.7.1
DVE Score by Bitsight AI
DVE scores complement traditional static scoring systems like CVSS with Bitsight AI powered real-time threat intelligence and underground cyber criminal activity so that security teams can reduce alert fatigue and focus on vulnerabilities most likely to be exploited.
Low
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CVE-2026-114730 Global Footprint

Top 10 Identified Countries

Country Observations Percentage
CA 3,538 49.29%
US 812 11.31%
DE 665 9.26%
FR 185 2.58%
RU 164 2.28%
NL 163 2.27%
GB 128 1.78%
BR 125 1.74%
FI 115 1.60%
ES 98 1.37%

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CVE-2026-114730 Industry Footprint

Top 10 Identified Industries

*Service provider organizations (typically Technology and Telecommunications) are disproportionally represented in the results given their upstream ownership of end-user infrastructure. See our FAQs.

Industry* Observations Percentage
Technology 5,496 93.95%
Telecommunications 300 5.13%
Utilities 13 0.22%
Education 11 0.19%
Government/Politics 10 0.17%
Business Services 5 0.09%
Energy/Resources 4 0.07%
Manufacturing 2 0.03%
Transportation 2 0.03%
Retail 2 0.03%

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