CVE-2021-3129: Laravel Ignition File Upload Vulnerability

Reference page built from the source records below, each shown as its source publishes it. Dataset version ref-c37be20542b3, updated 2026-11-02T23:39:54.475Z.

CISA Known Exploited Vulnerabilities

Name
Laravel Ignition File Upload Vulnerability
Vendor
Laravel
Product
Ignition
Added to the catalog
2023-09-18
Due date for US federal agencies
2023-10-09
Catalog version
2026.10.30

Laravel Ignition contains a file upload vulnerability that allows unauthenticated remote attackers to execute malicious code due to insecure usage of file_get_contents() and file_put_contents().

Required action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Ransomware use: CISA marks this vulnerability as known to be used in ransomware campaigns. CISA does not say which group used it.

Links in CISA's notes

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status
Analyzed
Published
2021-01-12T15:15:16.453
Last modified
2026-06-17T04:04:43.133
Weaknesses
NVD-CWE-noinfo

Ignition before 2.5.2, as used in Laravel and other products, allows unauthenticated remote attackers to execute arbitrary code because of insecure usage of file_get_contents() and file_put_contents(). This is exploitable on sites using debug mode with Laravel before 8.4.2.

MetricScoreSeverityVectorScored by
CVSS 3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H[email protected] (Primary)
CVSS 3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
CVSS 2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P[email protected] (Primary)

References

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:41:51.476Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-3129

CVE record

Assigner
mitre
State
PUBLISHED
Published
2021-01-12T14:07:38.000Z
Updated
2025-10-21T23:35:30.227Z
Problem types
n/a

Ignition before 2.5.2, as used in Laravel and other products, allows unauthenticated remote attackers to execute arbitrary code because of insecure usage of file_get_contents() and file_put_contents(). This is exploitable on sites using debug mode with Laravel before 8.4.2.

References

Read on 2026-11-03T01:07:53.441Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2021/3xxx/CVE-2021-3129.json

Also known as / affected packages

GHSA-4qwp-7c67-jmcc

Also known as: CVE-2021-3129. OSV.dev record, GitHub advisory.

  • Packagist facade/ignition: introduced 2.5.0, fixed 2.5.2
  • Packagist facade/ignition: introduced 2.0.0, fixed 2.4.2
  • Packagist facade/ignition: introduced 1.7.0, fixed 1.16.14
  • Packagist facade/ignition: introduced 0, fixed 1.6.15

Read on 2026-11-03T00:55:17.684Z under licence ghsa-cc-by-4.0@9e5f1b3c from https://api.osv.dev/v1/vulns/GHSA-4qwp-7c67-jmcc

Sources and licences

  • CISA

    Source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30, CC0 1.0. Use of this data does not imply endorsement by CISA or DHS.

    CC0 1.0 Universal

  • National Vulnerability Database (NIST)

    This product uses the NVD API but is not endorsed or certified by the NVD.

    NVD API Terms of Use (NIST publications in the public domain, 17 U.S.C. 105)

  • CVE Program, The MITRE Corporation

    Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation. CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

    CVE Program Terms of Use ("CVE Usage" licence)

  • GitHub Advisory Database via OSV.dev

    GHSA-4qwp-7c67-jmcc: GitHub Advisory Database, https://github.com/advisories/GHSA-4qwp-7c67-jmcc. Licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/), provided as is, without warranties. Retrieved via OSV.dev (https://osv.dev/vulnerability/GHSA-4qwp-7c67-jmcc), which enriches records; fields selected and reformatted by ransomware-tracker.com.

    CC BY 4.0

Cite this page

Dragons Eye Ransomware Tracker, "CVE-2021-3129: Laravel Ignition File Upload Vulnerability",
entity page, dataset version ref-c37be20542b3, updated 2026-11-02T23:39:54.475Z,
https://ransomware-tracker.com/cve/CVE-2021-3129 (accessed 2026-11-03).
Underlying source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30.
Underlying source: National Vulnerability Database (NIST), CVE API 2.0, record last modified 2026-06-17T04:04:43.133.
Underlying source: CVE List (CVE Program, The MITRE Corporation), record updated 2025-10-21T23:35:30.227Z.
Underlying source: GitHub Advisory Database, GHSA-4qwp-7c67-jmcc, via OSV.dev, modified 2025-10-22T19:32:22.659838Z.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.

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