What’s Vulnerable › Vulnerabilities

CVE-2020-7758: Path Traversal

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-11-02 · updated 2026-06-17
• Weakness: CWE-22

Description

This affects versions of package browserless-chrome before 1.40.2-chrome-stable. User input flowing from the workspace endpoint gets used to create a file path filePath and this is fetched and then sent back to a user. This can be escaped to fetch arbitrary files from a server.

Affected products

• browserless-chrome: before 1.40.2 — fixed in 1.40.2

How to fix

Upgrade to a fixed version: browserless-chrome 1.40.2. Check the vendor advisory for mitigations.

References

• https://github.com/browserless/chrome/blob/master/src/routes.ts%23L175
• https://github.com/browserless/chrome/commit/848b87e5bea4f8473eea85261a5ff922d6ebd2b6
• https://github.com/browserless/chrome/releases/tag/1.40.2-chrome-stable
• https://snyk.io/vuln/SNYK-JS-BROWSERLESSCHROME-1023657
• https://github.com/browserless/chrome/blob/master/src/routes.ts%23L175
• https://github.com/browserless/chrome/commit/848b87e5bea4f8473eea85261a5ff922d6ebd2b6
• https://github.com/browserless/chrome/releases/tag/1.40.2-chrome-stable
• https://snyk.io/vuln/SNYK-JS-BROWSERLESSCHROME-1023657

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