CVE-2020-7603: closure-compiler-stream through 0.1.15 allows execution of arbitrary commands

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CRITICAL 9.8REMOTEUPGRADE

CVE-2020-7603 is a critical-severity flaw (CVSS 9.8) affecting closure-compiler-stream. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

closure-compiler-stream through 0.1.15 allows execution of arbitrary commands. The argument "options" of the exports function in "index.js" can be controlled by users without any sanitization.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-78
Published	2020-03-15
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: closure-compiler-stream project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-03-15 22:15 UTCPublished CVE record published
2026-06-17 03:25 UTCUpdated Record last modified

closure-compiler-stream project closure-compiler-stream UPGRADE

Affected: <= 0.1.15

Fixed in: newer than 0.1.15

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls closure-compiler-stream

2. UPGRADE to newer than 0.1.15

npm install closure-compiler-stream@">0.1.15"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-7603?

closure-compiler-stream: upgrade to newer than 0.1.15. Exact commands for each OS are on this page.

Is CVE-2020-7603 being exploited?

CVE-2020-7603 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-7603 affect?

CVE-2020-7603 affects closure-compiler-stream. Severity is critical (CVSS 9.8). closure-compiler-stream through 0.1.15 allows execution of arbitrary commands. The argument "options" of the exports function in "index.js" can be controlled by users without any sanitization.

How urgent is CVE-2020-7603?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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