CVE-2020-8135

9.8 criticalEPSS 1.3%

Critical (9.8) in uppy uppy. EPSS 1.3% chance of exploitation in the next 30 days. Fixed in @uppy/companion 1.9.3.

The uppy npm package < 1.9.3 is vulnerable to a Server-Side Request Forgery (SSRF) vulnerability, which allows an attacker to scan local or external network or otherwise interact with internal systems.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.3% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
CWE: CWE-918
Published: 2020-03-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

uppy:uppy

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-mm7r-265w-jv6f	npm	@uppy/companion	<1.9.3	1.9.3

References

https://hackerone.com/reports/786956
https://hackerone.com/reports/786956

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