What is CVE-2026-48557?

CVE-2026-48557 is a high-severity vulnerability in Spatie Laravel-medialibrary, classified under Incomplete List of Disallowed Inputs. CVSS score: 8.8/10. Published 2026-05-29.

How severe is CVE-2026-48557?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Spatie Laravel-medialibrary

CVE-2026-48557

Spatie Laravel Media Library before version 11.23.0 contains a file upload restriction bypass in FileAdder::defaultSanitizer(). The sanitizer checks only the final filename suffix, allowing double-extension filenames such as shell.php.jpg…

EPSS: 0.001 (30.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Spatie Laravel-medialibrary — versions 0

Weakness classification (CWE)

CWE-184 — Incomplete List of Disallowed Inputs

References

disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (release-notes)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-48557?: CVE-2026-48557 is a high-severity vulnerability in Spatie Laravel-medialibrary, classified under Incomplete List of Disallowed Inputs. CVSS score: 8.8/10. Published 2026-05-29.
How severe is CVE-2026-48557?: High severity. CVSS v3 base score is 8.8 out of 10.