How severe is CVE-2019-7861?

CVE-2019-7861 has a CVSS score of 7.5/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2019-7861?

CVE-2019-7861 affects the following packages: magento/community-edition (Packagist), magento/community-edition (Packagist), magento/community-edition (Packagist). Ecosystems affected: Packagist.

How do I fix CVE-2019-7861?

Update magento/community-edition to 2.1.18 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2019-7861 is resolved across your whole dependency graph.

How do I detect CVE-2019-7861 in my Packagist dependencies?

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

How do I mitigate CVE-2019-7861 if there is no patch (or I can't update yet)?

Treat uploaded files as untrusted until proven otherwise: validate the actual content type rather than the supplied extension, store uploads outside the web root on a volume mounted without execute permission, and rename them to server-generated identifiers so an attacker cannot choose the path a request will later resolve.

Is CVE-2019-7861 actively exploited in the wild?

No public exploit code has been indexed for CVE-2019-7861 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-2019-7861?

CVE-2019-7861 has an EPSS (Exploit Prediction Scoring System) score of 2.0%, placing it in the 81th 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-2019-7861?

CVE-2019-7861 is classified as Unrestricted File Upload (CWE-434). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2019-7861 published, and has it been updated?

CVE-2019-7861 was published on August 2, 2019 and was last updated on October 24, 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

HIGH severity

CVE-2019-7861 — community-edition

HIGH

CVE-2019-7861 is a high-severity (CVSS 7.5) Unrestricted File Upload vulnerability in magento/community-edition. A fix is available for magento/community-edition — see the affected versions and patch details below.

Magento 2 Community Edition Unsafe File Upload

Also known asGHSA-j837-vm6w-6qcv

Published

Aug 2, 2019

Updated

Oct 24, 2026

Affected

3 pkgs

Patched

3 / 3

Exploits

None indexed

Exploitation data as of Nov 3, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

2.0%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs81th percentile — riskier than 81% of all scored CVEsHighest risk

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

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

3 pkgs affected

🐘magento/community-edition🐘magento/community-edition🐘magento/community-edition

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

Insufficient server-side validation of user input could allow an attacker to bypass file upload restrictions in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2.

Affected Packages

3 total 3 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`magento/community-edition`	≥ 2.1.0&&< 2.1.18	2.1.18`composer require magento/community-edition:^2.1.18`
🐘Packagist	`magento/community-edition`	≥ 2.2.0&&< 2.2.9	2.2.9`composer require magento/community-edition:^2.2.9`
🐘Packagist	`magento/community-edition`	≥ 2.3.0&&< 2.3.2	2.3.2`composer require magento/community-edition:^2.3.2`

Affected Products

1 product · 3 configurations

Application

magentomagento

≥ 2.3.0 && < 2.3.2

range

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for magento/community-edition, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update magento/community-edition to 2.1.18 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2019-7861 is resolved across your whole dependency graph.
Workarounds
Treat uploaded files as untrusted until proven otherwise: validate the actual content type rather than the supplied extension, store uploads outside the web root on a volume mounted without execute permission, and rename them to server-generated identifiers so an attacker cannot choose the path a request will later resolve.

Frequently Asked Questions

Insufficient server-side validation of user input could allow an attacker to bypass file upload restrictions in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2.

O3 Security · Impact-Aware SCA

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Find it across Packagist, including transitive dependencies.

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CVSS Score

7.5/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Raw vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CWE Classification

CWE-434Unrestricted File Upload

Weaponization

No Nuclei template, Metasploit module or public proof-of-concept found.

OpenSSF Scorecard

Package health score

security-advisories

4.8/10

Maintained10/10

Code-Review10/10

Branch-Protection0/10

Assessed Nov 2, 2026

Timeline

Disclosed

Aug 2, 2019

Last updated

Oct 24, 2026

Identifiers

CVE-2019-7861

GHSA-j837-vm6w-6qcv

References

Advisorymagento.com · magento 2.3.2 2.2.9 and 2.1.18 security update 13 Advisorynvd.nist.gov · CVE 2019 7861 Webgithub.com · CVE 2019 7861.yaml Webweb.archive.org · magento 2.3.2 2.2.9 and 2.1.18 security update 13 Packagegithub.com · magento2

Related vulnerabilities

This CVE is high severity; 5 of 8 other CVEs affecting magento/community-edition are rated as high or higher (top: critical).

CVE-2025-54264CVE-2025-54263CVE-2025-54266CVE-2025-54267CVE-2025-54265CVE-2025-54236CVE-2025-49555CVE-2025-49556

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedOct 24, 2026

CVE-2019-7861 — community-edition

EPSS Exploitation Probability

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

Description

Affected Packages

Affected Products

Detection & mitigation playbook

Detect

Fix

Workarounds

Frequently Asked Questions

Is CVE-2019-7861 in your dependencies?