CVE-2026-55466: Snipe-IT vulnerable to stored XSS via inline-served attachment

high Affects snipe/snipe-it. Feed 2026.10.29.1, updated 2026-10-28; published .

Snipe-IT vulnerable to stored XSS via inline-served attachment

Package
snipe/snipe-it Composer
Affected versions
<8.6.2
Fixed in
8.6.2
Severity
high  CVSS 8.7
Exploitation
not on CISA KEV · EPSS 0% (38.1th percentile)
Published
2026-08-28
Source
osv.dev

References

CWE-79
NVD recordsnipe/snipe-it 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