phpwarden
FeaturesComparePricingAdvisoriesBlogDocsChangelogLog in
Log inStart free

CVE-2026-40308: Unauthenticated Information Disclosure (IDOR) via Multisite switch_to_blog in My Calendar

high Affects joedolson/my-calendar. Feed 2026.10.29.3, updated 2026-10-29; published .

Unauthenticated Information Disclosure (IDOR) via Multisite switch_to_blog in My Calendar

Package
joedolson/my-calendar Composer
Affected versions
<3.7.7
Fixed in
3.7.7
Severity
high
Exploitation
not on CISA KEV · EPSS 1% (60.6th percentile)
Published
2026-04-16
Source
osv.dev

References

CWE-639
NVD recordjoedolson/my-calendar advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs   How findings are ranked

Related advisories