What’s Vulnerable › Vulnerabilities
CVE-2026-117341
- Severity: high (CVSS 7.7 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-27 · updated 2026-10-27
- Weakness: CWE-532
Description
In affected versions of Octopus Server, creating a user invitation writes the invitation code to the audit event log. When the invitation is linked to a space, a user in that space with appropriate permissions could read the code from the audit event. Successfully exploiting this by redeeming the unclaimed invitation could allow the user to escalate privileges however this is dependant on the permissions assigned for the invited user.
Affected products
- Octopus Deploy Octopus Server: from 2019.0.0 before 2026.2.13438; from 2026.3.0 before 2026.3.15829 — fixed in 2026.2.13438, 2026.3.15829
How to fix
Upgrade to a fixed version: Octopus Deploy Octopus Server 2026.2.13438, 2026.3.15829. Check the vendor advisory for mitigations.
References
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