CVE-2026-30223: OliveTin gives access to predefined shell commands from a web interface

Q: How do I fix CVE-2026-30223?

olivetin: upgrade to 3000.11.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-30223 being exploited?

CVE-2026-30223 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-2026-30223 affect?

CVE-2026-30223 affects olivetin. Severity is high (CVSS 8.8). OliveTin gives access to predefined shell commands from a web interface. Prior to version 3000.11.1, when JWT authentication is configured using either "authJwtPubKeyPath" (local RSA public key) or "authJwtHmacSecret" (HMAC secret), the con

Q: How urgent is CVE-2026-30223?

Priority 42/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2026-30223 is a high-severity flaw (CVSS 8.8) affecting olivetin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OliveTin gives access to predefined shell commands from a web interface. Prior to version 3000.11.1, when JWT authentication is configured using either "authJwtPubKeyPath" (local RSA public key) or "authJwtHmacSecret" (HMAC secret), the configured audience value (authJwtAud) is not enforced during token parsing. As a result, validly signed JWT tokens with an incorrect aud claim are accepted for authentication. This allows authentication using tok

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-287, CWE-345
Published	2026-03-06
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: olivetin

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

Am I affected?

Timeline

2026-03-06 21:16 UTCPublished CVE record published
2026-06-17 10:32 UTCUpdated Record last modified

olivetin olivetin UPGRADE

Affected: < 3000.11.1

Fixed in: 3000.11.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3000.11.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade olivetin

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-2026-30223?

olivetin: upgrade to 3000.11.1. Exact commands for each OS are on this page.

Is CVE-2026-30223 being exploited?

CVE-2026-30223 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-2026-30223 affect?

CVE-2026-30223 affects olivetin. Severity is high (CVSS 8.8). OliveTin gives access to predefined shell commands from a web interface. Prior to version 3000.11.1, when JWT authentication is configured using either "authJwtPubKeyPath" (local RSA public key) or "authJwtHmacSecret" (HMAC secret), the con

How urgent is CVE-2026-30223?

Priority 42/100. High severity; Public exploit reference

Related CVEs

CVE-2026-31817 HIGH 8.5 UPGRADE OliveTin gives access to predefined shell commands from a web interface
CVE-2026-30233 MEDIUM 6.5 UPGRADE OliveTin gives access to predefined shell commands from a web interface
CVE-2026-30225 MEDIUM 5.3 UPGRADE OliveTin gives access to predefined shell commands from a web interface
CVE-2026-30224 MEDIUM 5.4 UPGRADE OliveTin gives access to predefined shell commands from a web interface
CVE-2026-28790 HIGH 7.5 UPGRADE OliveTin gives access to predefined shell commands from a web interface

References

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