CVE-2026-92355 | BDVDB-2026-375375 Detail

Octopus DeployOctopus Server

Description#

In affected versions of Octopus Server, a user with permission to modify non built-in external feeds could exploit a path traversal flaw to overwrite arbitrary files on the server, which in some configurations could lead to remote code execution.

Impact#

Per CVSS v4.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References#

https://advisories.octopus.com/post/2026/sa2026-09

Exploit#

No public exploit known

History#

Version 12026-09-16Record published in the CVE List.

Published

Published: 2026-09-16
Last modified: 2026-09-16

Vendor information

Vendor: Octopus Deploy
Product: Octopus Server

All Octopus Deploy vulnerabilities

Score

8.7 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 52.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Path Traversal

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 2024.1.4131 and < 2026.1.11725
Fixed
2026.1.11725
Vulnerable
>= 2026.2.0 and < 2026.2.13344
Fixed
2026.2.13344
Vulnerable
>= 2026.3.0 and < 2026.3.11816
Fixed
2026.3.11816

Scoring System

CVSS v4.0

8.7 High

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	Low
User Interaction	None
Vulnerable System Confidentiality	High
Vulnerable System Integrity	High
Vulnerable System Availability	High
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).