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iCalendar has ICS injection via unsanitized URI property values

🗓️ 24 Mar 2026 00:00:00Reported by RubySecType 
rubygems
 rubygems
🔗 rubysec.com👁 12 Views

iCalendar serialization allows injection via unsanitized URI values using carriage returns, adding arbitrary lines.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-33635
26 Mar 202620:30
attackerkb
Information Security Automation
April Linux Patch Wednesday
22 Apr 202616:00
avleonov
Circl
CVE-2026-33635
24 Mar 202619:13
circl
CNNVD
iCalendar 注入漏洞
26 Mar 202600:00
cnnvd
CVE
CVE-2026-33635
26 Mar 202620:30
cve
Cvelist
CVE-2026-33635 iCalendar has ICS injection via unsanitized URI property values
26 Mar 202620:30
cvelist
Debian CVE
CVE-2026-33635
26 Mar 202620:30
debiancve
Github Security Blog
iCalendar has ICS injection via unsanitized URI property values
24 Mar 202619:13
github
NVD
CVE-2026-33635
26 Mar 202621:17
nvd
OSV
CVE-2026-33635 iCalendar has ICS injection via unsanitized URI property values
26 Mar 202620:30
osv
Rows per page
Vulners
Node
rubyicalendarRange2.12.2

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24 Mar 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.3
EPSS0.00244
SSVC
12