CVE-2016-10534: electron-packager is a command line tool that packages Electron source code into `.app` and `.exe` packages

Q: How do I fix CVE-2016-10534?

electron-packager: upgrade to newer than 6.0.2. Exact commands for each OS are on this page.

Q: Is CVE-2016-10534 being exploited?

CVE-2016-10534 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2016-10534 affect?

CVE-2016-10534 affects electron-packager. Severity is medium (CVSS 5.9). electron-packager is a command line tool that packages Electron source code into `.app` and `.exe` packages. along with Electron. The `--strict-ssl` command line option in electron-packager >= 5.2.1 =6.0.0 <= 6.0.2 defaults to

Q: How urgent is CVE-2016-10534?

Priority 41/100. Remotely exploitable, no login, no user action

This month

MEDIUM 5.9REMOTEUPGRADE

CVE-2016-10534 is a medium-severity flaw (CVSS 5.9) affecting electron-packager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

electron-packager is a command line tool that packages Electron source code into `.app` and `.exe` packages. along with Electron. The `--strict-ssl` command line option in electron-packager >= 5.2.1 <= 6.0.0 || >=6.0.0 <= 6.0.2 defaults to false if not explicitly set to true. This could allow an attacker to perform a man in the middle attack.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-295
Published	2018-05-31
Last modified	2026-06-17

Publisher (CNA): HackerOne · Vendor: electron-packager project

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

Am I affected?

Timeline

2018-05-31 20:29 UTCPublished CVE record published
2026-06-17 00:39 UTCUpdated Record last modified

electron-packager project electron-packager UPGRADE

Affected: >= 5.2.1 and <= 6.0.2

Fixed in: newer than 6.0.2

Safe to downgrade to: a release before 5.2.1

1. Check installed version

npm ls electron-packager

2. UPGRADE to newer than 6.0.2

npm install electron-packager@">6.0.2"

3. If no update is available yet, DOWNGRADE to a release before 5.2.1

npm view electron-packager versions npm install electron-packager@"<5.2.1"

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2016-10534?

electron-packager: upgrade to newer than 6.0.2. Exact commands for each OS are on this page.

Is CVE-2016-10534 being exploited?

CVE-2016-10534 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-2016-10534 affect?

CVE-2016-10534 affects electron-packager. Severity is medium (CVSS 5.9). electron-packager is a command line tool that packages Electron source code into `.app` and `.exe` packages. along with Electron. The `--strict-ssl` command line option in electron-packager >= 5.2.1 <= 6.0.0 || >=6.0.0 <= 6.0.2 defaults to

How urgent is CVE-2016-10534?

Priority 41/100. Remotely exploitable, no login, no user action

Software pages

Electron vulnerabilities

References

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