Server-Side Request Forgery in @uppy/companion

published 2020-07-20 6 y ago modified 2026-06-17 4 mo ago also GHSA-9m4x-8w29-r78g , EUVD-2020-0606

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits: 0; none known

The uppy npm package < 1.13.2 and < 2.0.0-alpha.5 is vulnerable to a Server-Side Request Forgery (SSRF) vulnerability, which allows an attacker to scan local or external networks or otherwise interact with internal systems.

Patch / fix

fixed in 2 links 1

npm @uppy/companion 1.13.2, 2.0.0-alpha.5
transloadit uppy 1.13.2

github.com/transloadit/uppy#2322 commit

Exploit prediction

1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

hackerone.com https://hackerone.com/reports/891270 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N
GitHub	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
npm	@uppy/companion	<1.13.2 >=2.0.0-alpha.0, <2.0.0-alpha.5	1.13.2 2.0.0-alpha.5

Affected products

n/a uppy

Classification

Weakness

CWE-918 Server-Side Request Forgery

References

github.com /transloadit/uppy/pull/2322/commits/dbf2f4f30aeaf3bcc5971bb867bb0b5984084828
web
hackerone.com /reports/891270
web, exploit, issue-tracking, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2020-8205
advisory
github.com /transloadit/uppy/blob/master/CHANGELOG.md#1161
web

Sources

CVE List CVE-2020-8205
GitHub Advisory GHSA-9m4x-8w29-r78g
NVD CVE-2020-8205

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary