CVE-2026-116870 In affected versions of Octopus Server, OIDC token issuer validation was performed inconsistently.
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-116870?
CVE-2026-116870 is a high-severity vulnerability in Octopus Server, published on 27 Oct 2026.
Official description
In affected versions of Octopus Server, OIDC token issuer validation was performed inconsistently. This could result in a token issued from a suitably configured non legitimate issuer being accepted as a token belonging to a service account from a legitimate trusted issuer. Exploitation requires a service account with at least one OIDC identity configured. An attacker would also need to know or guess some details of that identity in order to be in a position to attempt exploitation.
Weakness: CWE-1289
Which versions are affected by CVE-2026-116870?
How do I fix CVE-2026-116870?
No fix has been published for CVE-2026-116870 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-116870 being exploited?
There is no known exploitation of CVE-2026-116870 in the wild and no public exploit code.
Sources
Also known as GHSA-j58f-w66m-94wj.