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Advisory record · GHSA-crmm-hgp2-wgrp

Laravel Framework: Temporary Signed URL Path Confusion

CVSS 4.2 Medium

Published by the GitHub Advisory Database at 17 Jun 2026, 13:54 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
laravel/frameworkPackagist>=13.0.0, <13.12.0 || <12.61.113.12.0, 12.61.1
Identifiers
GHSA-crmm-hgp2-wgrp · PKSA-m5cs-t1y6-qpcs
Weakness (CWE)
CWE-116
Tags
Published
17 Jun 2026
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Laravel Framework (laravel/framework) versions below 12.61.1 and from 13.0.0 before 13.12.0 are affected. The source says a flaw in the local filesystem driver lets temporary signed URLs be parsed differently by the server than when they were signed, which can route requests to an unintended resource and stop expiration from being enforced, so expired URLs may still be accepted. The source does not say what an attacker must already have or how the URL is manipulated, so the required access is unclear. Upgrade to 12.61.1 or 13.12.0, which are the fixed versions listed.

Written 31 Oct 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
4.2 Medium 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS No score.

Timeline

  1. 31 Oct 2026, 13:57 UTC First seen by agentprime
  2. 31 Oct 2026, 13:57 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.