CVE-2026-30933: high-severity vulnerability in gtsteffaniak filebrowser
FileBrowser Quantum Incomplete Remediation of CVE-2026-27611: Password-Protected Share Bypass via /public/api/share/info
Published
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.5%
exploitation probability
0.5%top 56% of all CVEs
observed exploitation
nono source reports it
FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to 1.3.1-beta and 1.2.2-stable, the remediation for CVE-2026-27611 is incomplete. Password protected shares still disclose tokenized downloadURL via /public/api/share/info. This vulnerability is fixed in 1.3.1-beta and 1.2.2-stable.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products
gtsteffaniak · filebrowserRelated CVEs — gtsteffaniak filebrowser
In the same product, most dangerous first.
CVE-2026-44542CRITICALFileBrowser Quantum: Unauthenticated Path Traversal in Public Share Delete Allows Arbitrary File DeletionEPSS 0.6%CVE-2026-48777CRITICALFileBrowser Quantum: Path Traversal in public share PATCH allows file ops outside shared directoryEPSS 0.5%CVE-2026-54685MEDIUMFileBrowser Quantum has Username Enumeration via Authentication Timing Side-ChannelEPSS 0.5%CVE-2026-54910HIGHFileBrowser Quantum's path traversal issue in subtitle handler allows any authenticated user to read arbitrary filesEPSS 0.5%CVE-2026-46410HIGHFileBrowser Quantum: unauthenticated user share share infoEPSS 0.4%CVE-2026-27611HIGHFileBrowser Quantum: Password Protection Not Enforced on Shared File LinksEPSS 0.4%