Path traversal in browserless-chrome
Priority LOW 37CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.02177 82nd percentileScored 2026-11-07
Fix Fixed browserless-chrome: 1.40.2-chrome-stablebrowserless-chrome (npm): 1.43.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | browserless-chrome | before 1.40.2-chrome-stable | 1.40.2-chrome-stable | Patch available | CNA |
| — | browserless-chrome (npm) | before 1.43.0 | 1.43.0 | Patch available | GHSA-8p9r-f949-699g |
- browserless-chrome Vendor— Affected before 1.40.2-chrome-stable Fixed in 1.40.2-chrome-stable Patch available CNA
- browserless-chrome (npm) Vendor— Affected before 1.43.0 Fixed in 1.43.0 Patch available GHSA-8p9r-f949-699g
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:browserless:chrome:*:*:*:*:*:node.js:*:* | before 1.40.2 | Vulnerable | browserless |
- cpe:2.3:a:browserless:chrome:*:*:*:*:*:node.js:*:* Versions before 1.40.2 Vulnerable ·browserless
Remediation
- Fix · CNA browserless-chrome Fixed in 1.40.2-chrome-stable
- Fix · GHSA-8p9r-f949-699g browserless-chrome (npm) Fixed in 1.43.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-7758
- 2026-10-03 Alias added: GHSA-8p9r-f949-699g
References
Advisory 2
Sources
- CVE-2020-7758 · CVE Program
- CVE-2020-7758 · NVD
- FIRST EPSS
- GHSA-8p9r-f949-699g · GitHub Advisory Database · CC BY 4.0
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