GHSA-CRMM-HGP2-WGRP
Vulnerability from github – Published: 2026-06-17 13:54 – Updated: 2026-06-17 13:54
VLAI
Summary
Laravel Framework: Temporary Signed URL Path Confusion
Details
A vulnerability in Laravel's local filesystem driver allows temporary signed URLs to be parsed ambiguously, potentially misrouting requests and bypassing expiration enforcement.
Under certain conditions, a generated temporary signed URL can be interpreted differently by the server than intended at signing time. This may cause requests to resolve to an unintended resource, and can prevent expiration from being enforced, allowing expired URLs to remain valid indefinitely.
Impact
- Expired temporary URLs may continue to be accepted
- Requests may resolve to a different resource than the one that was signed
- The upload variant may allow writes to reach an unintended destination
Severity
4.2 (Medium)
{
"affected": [
{
"package": {
"ecosystem": "Packagist",
"name": "laravel/framework"
},
"ranges": [
{
"events": [
{
"introduced": "13.0.0"
},
{
"fixed": "13.12.0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Packagist",
"name": "laravel/framework"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "12.61.1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [],
"database_specific": {
"cwe_ids": [
"CWE-116"
],
"github_reviewed": true,
"github_reviewed_at": "2026-06-17T13:54:13Z",
"nvd_published_at": null,
"severity": "MODERATE"
},
"details": "A vulnerability in Laravel\u0027s local filesystem driver allows temporary signed URLs to be parsed ambiguously, potentially misrouting requests and bypassing expiration enforcement.\n\nUnder certain conditions, a generated temporary signed URL can be interpreted differently by the server than intended at signing time. This may cause requests to resolve to an unintended resource, and can prevent expiration from being enforced, allowing expired URLs to remain valid indefinitely.\n\n### Impact\n- Expired temporary URLs may continue to be accepted\n- Requests may resolve to a different resource than the one that was signed\n- The upload variant may allow writes to reach an unintended destination",
"id": "GHSA-crmm-hgp2-wgrp",
"modified": "2026-06-17T13:54:13Z",
"published": "2026-06-17T13:54:13Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/laravel/framework/security/advisories/GHSA-crmm-hgp2-wgrp"
},
{
"type": "WEB",
"url": "https://github.com/laravel/framework/pull/60137"
},
{
"type": "WEB",
"url": "https://github.com/laravel/framework/pull/60230"
},
{
"type": "WEB",
"url": "https://github.com/laravel/framework/pull/60350"
},
{
"type": "PACKAGE",
"url": "https://github.com/laravel/framework"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
}
],
"summary": "Laravel Framework: Temporary Signed URL Path Confusion"
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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