CVE-2023-28102: discordrb is an implementation of the Discord API using Ruby

Q: How do I fix CVE-2023-28102?

discordrb: upgrade to 2023-03-08. Exact commands for each OS are on this page.

Q: Is CVE-2023-28102 being exploited?

CVE-2023-28102 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-2023-28102 affect?

CVE-2023-28102 affects discordrb. Severity is high (CVSS 8.3). discordrb is an implementation of the Discord API using Ruby. In discordrb before commit `91e13043ffa` the `encoder.rb` file unsafely constructs a shell string using the file parameter, which can potentially leave clients of discordrb vulne

Q: How urgent is CVE-2023-28102?

Priority 55/100. High severity; Public exploit reference

This month

HIGH 8.3UPGRADE

CVE-2023-28102 is a high-severity flaw (CVSS 8.3) affecting discordrb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

discordrb is an implementation of the Discord API using Ruby. In discordrb before commit `91e13043ffa` the `encoder.rb` file unsafely constructs a shell string using the file parameter, which can potentially leave clients of discordrb vulnerable to command injection. The library is not directly exploitable: the exploit requires that some client of the library calls the vulnerable method with user input. However, if unsafe input reaches the librar

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.3 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-78
Published	2023-03-27
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: discordrb project

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

Am I affected?

Timeline

2023-03-27 22:15 UTCPublished CVE record published
2026-06-17 05:46 UTCUpdated Record last modified

discordrb project discordrb UPGRADE

Affected: < 2023-03-08

Fixed in: 2023-03-08

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy discordrb || rpm -q discordrb || discordrb --version

2. UPGRADE to 2023-03-08 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade discordrb

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade discordrb

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2023-28102?

discordrb: upgrade to 2023-03-08. Exact commands for each OS are on this page.

Is CVE-2023-28102 being exploited?

CVE-2023-28102 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-2023-28102 affect?

CVE-2023-28102 affects discordrb. Severity is high (CVSS 8.3). discordrb is an implementation of the Discord API using Ruby. In discordrb before commit `91e13043ffa` the `encoder.rb` file unsafely constructs a shell string using the file parameter, which can potentially leave clients of discordrb vulne

How urgent is CVE-2023-28102?

Priority 55/100. High severity; Public exploit reference

Software pages

Ruby vulnerabilities · Discord vulnerabilities

References

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