CVE-2026-28790: OliveTin gives access to predefined shell commands from a web interface

Q: How do I fix CVE-2026-28790?

olivetin: upgrade to 3000.11.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-28790 being exploited?

CVE-2026-28790 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-2026-28790 affect?

CVE-2026-28790 affects olivetin. Severity is high (CVSS 7.5). OliveTin gives access to predefined shell commands from a web interface. Prior to version 3000.11.0, OliveTin allows an unauthenticated guest to terminate running actions through KillAction even when authRequireGuestsToLogin: true is enable

Q: How urgent is CVE-2026-28790?

Priority 49/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2026-28790 is a high-severity flaw (CVSS 7.5) 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 3000.11.0, OliveTin allows an unauthenticated guest to terminate running actions through KillAction even when authRequireGuestsToLogin: true is enabled. Guests are correctly blocked from dashboard access, but can still call the KillAction RPC directly and successfully stop a running action. This is a broken access control issue that causes unauthorized denia

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-284, CWE-862, CWE-863
Published	2026-03-05
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

2026-03-05 20:16 UTCPublished CVE record published
2026-06-17 10:29 UTCUpdated Record last modified

olivetin olivetin UPGRADE

Affected: < 3000.11.0

Fixed in: 3000.11.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3000.11.0 (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-2026-28790?

olivetin: upgrade to 3000.11.0. Exact commands for each OS are on this page.

Is CVE-2026-28790 being exploited?

CVE-2026-28790 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-2026-28790 affect?

CVE-2026-28790 affects olivetin. Severity is high (CVSS 7.5). OliveTin gives access to predefined shell commands from a web interface. Prior to version 3000.11.0, OliveTin allows an unauthenticated guest to terminate running actions through KillAction even when authRequireGuestsToLogin: true is enable

How urgent is CVE-2026-28790?

Priority 49/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

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-2026-30223 HIGH 8.8 UPGRADE OliveTin gives access to predefined shell commands from a web interface

References

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