Octopus Server vulnerabilities

CVE-2022-2720 [MEDIUM] CWE-359 CVE-2022-2720: In affected versions of Octopus Server it was identified that when a sensitive value is a substring In affected versions of Octopus Server it was identified that when a sensitive value is a substring of another value, sensitive value masking will only partially work.

CVE-2022-2781 [MEDIUM] CWE-327 CVE-2022-2781: In affected versions of Octopus Server it was identified that the same encryption process was used f In affected versions of Octopus Server it was identified that the same encryption process was used for both encrypting session cookies and variables.

CVE-2026-3237 [MEDIUM] CWE-285 CVE-2026-3237: In affected versions of Octopus Server it was possible for a low privileged user to manipulate an AP In affected versions of Octopus Server it was possible for a low privileged user to manipulate an API request to change the signing key expiration and revocation time frames via an API endpoint that had incorrect permission validation. It was not possible to expose the signing keys using this vulnerability.

CVE-2022-29890 [MEDIUM] CWE-79 CVE-2022-29890: In affected versions of Octopus Server the help sidebar can be customized to include a Cross-Site Sc In affected versions of Octopus Server the help sidebar can be customized to include a Cross-Site Scripting payload in the support link.

CVE-2022-4898 [MEDIUM] CWE-79 CVE-2022-4898: In affected versions of Octopus Server the help sidebar can be customized to include a Cross-Site Sc In affected versions of Octopus Server the help sidebar can be customized to include a Cross-Site Scripting payload in the support link. This was initially resolved in advisory 2022-07 however it was identified that the fix could be bypassed in certain circumstances. A different approach was taken to prevent the possibility of the support link being su

CVE-2024-4456 [MEDIUM] CWE-79 CVE-2024-4456: In affected versions of Octopus Server with certain access levels it was possible to embed a Cross-S In affected versions of Octopus Server with certain access levels it was possible to embed a Cross-Site Scripting payload on the audit page.

CVE-2022-4870 [MEDIUM] CWE-209 CVE-2022-4870: In affected versions of Octopus Deploy it is possible to discover network details via error message In affected versions of Octopus Deploy it is possible to discover network details via error message

CVE-2022-2783 [MEDIUM] CWE-352 CVE-2022-2783: In affected versions of Octopus Server it was identified that a session cookie could be used as the In affected versions of Octopus Server it was identified that a session cookie could be used as the CSRF token

CVE-2026-3236 [MEDIUM] CWE-863 CVE-2026-3236: In affected versions of Octopus Server it was possible to create a new API key from an existing acce In affected versions of Octopus Server it was possible to create a new API key from an existing access token resulting in the new API key having a lifetime exceeding the original API key used to mint the access token.

CVE-2025-0513 [MEDIUM] CWE-79 CVE-2025-0513: In affected versions of Octopus Server error messages were handled unsafely on the error page. If an In affected versions of Octopus Server error messages were handled unsafely on the error page. If an adversary could control any part of the error message they could embed code which may impact the user viewing the error message.

CVE-2025-0588 [MEDIUM] CWE-113 CVE-2025-0588: In affected versions of Octopus Server it was possible for a user with sufficient access to set cust In affected versions of Octopus Server it was possible for a user with sufficient access to set custom headers in all server responses. By submitting a specifically crafted referrer header the user could ensure that all subsequent server responses would return 500 errors rendering the site mostly unusable. The user would be able to subsequently set an

CVE-2022-2346 [MEDIUM] CVE-2022-2346: In affected versions of Octopus Deploy it is possible for a low privileged guest user to interact wi In affected versions of Octopus Deploy it is possible for a low privileged guest user to interact with extension endpoints.

CVE-2022-2416 [MEDIUM] CWE-918 CVE-2022-2416: In affected versions of Octopus Deploy it is possible for a low privileged guest user to craft a req In affected versions of Octopus Deploy it is possible for a low privileged guest user to craft a request that allows enumeration/recon of an environment.

CVE-2020-16197 [MEDIUM] CWE-295 CVE-2020-16197: An issue was discovered in Octopus Deploy 3.4. A deployment target can be configured with an Account An issue was discovered in Octopus Deploy 3.4. A deployment target can be configured with an Account or Certificate that is outside the scope of the deployment target. An authorised user can potentially use a certificate that they are not in scope to use. An authorised user is also able to obtain certificate metadata by associating a certificate wit

CVE-2023-4509 [MEDIUM] CWE-319 CVE-2023-4509: It is possible for an API key to be logged in clear text in the audit log file after an invalid logi It is possible for an API key to be logged in clear text in the audit log file after an invalid login attempt.

CVE-2022-2258 [MEDIUM] CVE-2022-2258: In affected versions of Octopus Deploy it is possible for a user to view Tagsets without being expli In affected versions of Octopus Deploy it is possible for a user to view Tagsets without being explicitly assigned permissions to view these items

CVE-2022-2259 [MEDIUM] CWE-284 CVE-2022-2259: In affected versions of Octopus Deploy it is possible for a user to view Workerpools without being e In affected versions of Octopus Deploy it is possible for a user to view Workerpools without being explicitly assigned permissions to view these items

CVE-2022-4008 [MEDIUM] CWE-400 CVE-2022-4008: In affected versions of Octopus Deploy it is possible to upload a zipbomb file as a task which resul In affected versions of Octopus Deploy it is possible to upload a zipbomb file as a task which results in Denial of Service

CVE-2019-15698 [MEDIUM] CVE-2019-15698: In Octopus Deploy 2019.7.3 through 2019.7.9, in certain circumstances, an authenticated user with Va In Octopus Deploy 2019.7.3 through 2019.7.9, in certain circumstances, an authenticated user with VariableView permissions could view sensitive values. This is fixed in 2019.7.10.

CVE-2022-2760 [MEDIUM] CWE-209 CVE-2022-2760: In affected versions of Octopus Deploy it is possible to reveal the Space ID of spaces that the user In affected versions of Octopus Deploy it is possible to reveal the Space ID of spaces that the user does not have access to view in an error message when a resource is part of another Space.