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CVE-2026-0704

Octopus Server path traversal

9.1 CRITICALEPSS 0.34%
  1. Published25 Feb 2026

Description

In affected version of Octopus Deploy it was possible to remove files and/or contents of files on the host using an API endpoint. The field lacked validation which could potentially result in ways to circumvent expected workflows.

CVSS 3.1 breakdown

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

Affected products

Octopus Server≥ 2023.1.4189 < 2025.3.14715

Remediation

Fixed in
Octopus Server≥ 2025.3.14715

References

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Frequently asked

Is CVE-2026-0704 being actively exploited?

CVE-2026-0704 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.34%.

How severe is CVE-2026-0704?

CVE-2026-0704 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.34% probability of exploitation.

Which products are affected by CVE-2026-0704?

Affected products include Octopus Server.

How do I fix CVE-2026-0704?

Upgrade affected software to a fixed version, for example Octopus Server 2025.3.14715 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-0704 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.