OpenCATS before 0.10.0 Missing Authorization in Calendar editEvent/deleteEvent
OpenCATS before 0.10.0 contains a missing authorization vulnerability in CalendarUI::onEditEvent() and onDeleteEvent() that allows authenticated users to modify or delete other users' calendar events. Attackers with EDIT or DELETE access can supply arbitrary eventID values to alter or remove any user's events, including non-public ones restricted to their owner.
CVE-2026-113349
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-113349
OpenCATS
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/opencats/OpenCATS",
"vendor": "opencats",
"product": "OpenCATS",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "0.10.0",
"versionType": "custom"
}
],
"packageURL": "pkg:github/opencats/OpenCATS",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-113349
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #52435 · Revision 1
- Added to Heist Feed
- Publisher date