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CVE-2026-28790

Olivetin broken access control

7.5 HIGHPublic exploitEPSS 0.81%
  1. Published5 Mar 2026

Description

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 denial of service against legitimate action executions. This issue has been patched in version 3000.11.0.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Olivetin< 3000.11.0

Remediation

Fixed in
Olivetin≥ 3000.11.0

References

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Frequently asked

Is CVE-2026-28790 being actively exploited?

CVE-2026-28790 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.81%.

How severe is CVE-2026-28790?

CVE-2026-28790 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 0.81% probability of exploitation.

Which products are affected by CVE-2026-28790?

Affected products include Olivetin.

How do I fix CVE-2026-28790?

Upgrade affected software to a fixed version, for example Olivetin 3000.11.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-28790 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.