How severe is CVE-2026-48555?

No CVSS score has been assigned to CVE-2026-48555 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2026-48555?

CVE-2026-48555 affects the following packages: spatie/laravel-medialibrary (Packagist). Ecosystems affected: Packagist.

How do I fix CVE-2026-48555?

Update spatie/laravel-medialibrary to 11.23.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2026-48555 is resolved across your whole dependency graph.

How do I detect CVE-2026-48555 in my Packagist dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for spatie/laravel-medialibrary, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2026-48555 if there is no patch (or I can't update yet)?

Restrict outbound requests from the affected component to an allowlist of hosts, block access to link-local and internal address ranges at the network layer, and require authentication on internal services so a forged request cannot reach them unauthenticated.

Is CVE-2026-48555 actively exploited in the wild?

No public exploit code has been indexed for CVE-2026-48555 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2026-48555?

CVE-2026-48555 has an EPSS (Exploit Prediction Scoring System) score of 0.4%, placing it in the 35th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2026-48555?

CVE-2026-48555 is classified as Server-Side Request Forgery (SSRF) (CWE-918). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

When was CVE-2026-48555 published, and has it been updated?

CVE-2026-48555 was published on May 29, 2026 and was last updated on October 10, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐘 Packagist

Not in CISA KEV

CVE-2026-48555 — laravel-medialibrary

Fix: spatie/laravel-medialibrary@608ea03

CVE-2026-48555 is a Server-Side Request Forgery (SSRF) vulnerability in spatie/laravel-medialibrary. A fix is available for spatie/laravel-medialibrary — see the affected versions and patch details below.

Spatie Laravel Media Library < 11.23.0 SSRF via addMediaFromUrl()

Also known asGHSA-fggg-964j-3j7h

Published

May 29, 2026

Updated

Oct 10, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Oct 11, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2026-48555.

EPSS Exploitation Probability

via FIRST.org ↗

0.4%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs35th percentile — riskier than 35% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

Real-World Exposure

1 pkg affected

🐘spatie/laravel-medialibrary

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

Spatie Laravel Media Library before version 11.23.0 contains a server-side request forgery vulnerability that allows remote attackers to cause the server to issue arbitrary outbound HTTP requests by passing user-controlled URLs to the addMediaFromUrl() method in InteractsWithMedia.php.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`spatie/laravel-medialibrary`	all versions	11.23.0`composer require spatie/laravel-medialibrary:^11.23.0`

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for spatie/laravel-medialibrary, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update spatie/laravel-medialibrary to 11.23.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2026-48555 is resolved across your whole dependency graph.
Workarounds
Restrict outbound requests from the affected component to an allowlist of hosts, block access to link-local and internal address ranges at the network layer, and require authentication on internal services so a forged request cannot reach them unauthenticated.

Frequently Asked Questions

O3 Security · Impact-Aware SCA

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