Security readout for executives and security teams
Plain-English summary
Applications using Spatie Laravel Media Library before 11.23.0 may let a low-privileged remote attacker make the server contact attacker-chosen network locations. This server-side request forgery could expose internal services or affect confidentiality, integrity, and availability. Actual risk depends on whether untrusted input reaches addMediaFromUrl().
Executive priority
Treat as a high-priority application dependency update, especially for internet-facing workflows that import media from URLs. Prioritize systems with broad internal network access or cloud credentials. Immediate emergency response is not supported by the supplied exploitation evidence, but prompt exposure assessment and upgrade are warranted.
Technical view
CVE-2026-48555 is a CWE-918 server-side request forgery in InteractsWithMedia.php. User-controlled URLs passed to addMediaFromUrl() can trigger arbitrary outbound HTTP requests. It has CVSS 3.1 score 7.4 with network access, low complexity, low privileges, no user interaction, and changed scope. Version 11.23.0 contains the cited patch.
Likely exposure
Exposure is likely where an application runs laravel-medialibrary below 11.23.0 and permits authenticated, low-privileged users to influence URLs supplied to addMediaFromUrl(). Risk increases when application servers can reach internal services, cloud metadata endpoints, or other sensitive network destinations. The bundle does not identify specific exposed deployments.
Exploitation context
The supplied record is not marked as included in CISA KEV, and the cited bundle provides no evidence of active exploitation. This does not establish that exploitation is absent. Exploitability is described as network-accessible, low-complexity, and requiring low privileges.
Researcher notes
Primary references identify release 11.23.0, pull request 3939, and commit 608ea03703d3887c46434f5dda6af56de6346aba as the remediation trail. The bundle describes affected versions as before 11.23.0, although its structured affected entry contains only “0”; use the narrative, title, and upstream references when reconciling inventory data.
Mitigation direction
- Upgrade Spatie Laravel Media Library to version 11.23.0 or later.
- Identify every application path that passes user-controlled input to addMediaFromUrl().
- Until upgraded, prevent untrusted users from controlling media-source URLs.
- Restrict server egress and access to sensitive internal destinations where operationally feasible.
- Review the referenced release, pull request, and patch before deployment.
Validation and detection
- Inventory deployed laravel-medialibrary versions and flag releases below 11.23.0.
- Trace whether request parameters, imports, or stored user data reach addMediaFromUrl().
- Confirm upgraded deployments contain the changes from the cited patch commit.
- Review outbound request logs for unexpected internal, local, or metadata-service destinations.
- Verify egress controls limit application access to unnecessary internal services.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-918: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCloud metadata behavior lookup
The CVE wording references SSRF or metadata access, so cloud discovery and credential material review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-48555 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
2 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L3.13.7VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
5.3MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
Base CVSS 3.1 score
7.4HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/spatie/laravel-medialibrary/releases/tag/11.23.0CVE reference, VulnCheck · release-notes
- https://github.com/spatie/laravel-medialibrary/pull/3939CVE reference, VulnCheck · issue-tracking
- https://github.com/spatie/laravel-medialibrary/commit/608ea03703d3887c46434f5dda6af56de6346abaCVE reference, VulnCheck · patch
- https://www.vulncheck.com/advisories/spatie-laravel-media-library-ssrf-via-addmediafromurlCVE reference, VulnCheck · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Server-Side Request Forgery (SSRF)
Server-Side Request Forgery (SSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.