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Not in CISA KEV
HIGH severity

CVE-2019-7858 — community-edition

HIGH

CVE-2019-7858 is a high-severity (CVSS 7.5) Broken Cryptographic Algorithm 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 Cryptographic Flaw

Also known asGHSA-7h8v-f2g9-39fx
Published
Updated
Affected
3 pkgs
Patched
3 / 3
Exploits
None indexed
Exploitation data as of Nov 1, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.7%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs55th percentile — riskier than 55% of all scored CVEsHighest risk
0.00%0.41%0.83%1.24%0.0%0.7%May 26Aug 26Nov 26

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

A cryptographic flaw in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9 and Magento 2.3 prior to 2.3.2 resulted in storage of sensitive information with an algorithm that is insufficiently resistant to brute force attacks.

Affected Packages

3 total 3 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistmagento/community-edition≥ 2.1.0&&< 2.1.182.1.18composer require magento/community-edition:^2.1.18
🐘Packagistmagento/community-edition≥ 2.2.0&&< 2.2.92.2.9composer require magento/community-edition:^2.2.9
🐘Packagistmagento/community-edition≥ 2.3.0&&< 2.3.22.3.2composer 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

  1. 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.

  2. 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-2019-7858 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

A cryptographic flaw in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9 and Magento 2.3 prior to 2.3.2 resulted in storage of sensitive information with an algorithm that is insufficiently resistant to brute force attacks.
O3 Security · Impact-Aware SCA

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CVE-2019-7858: community-edition — Fixed in 2.1.18