CVE-2026-3236 Security feature bypass in Octopus Server
Attackers can create API keys with longer lifetimes than the original token, bypassing intended expiration controls in Octopus Server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-3236?
CVE-2026-3236 is a low-severity vulnerability in Octopus Octopus Server, published on 5 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-863
Which versions are affected by CVE-2026-3236?
It affects 1 product.
Products include Octopus Octopus Server.
How do I fix CVE-2026-3236?
No fix has been published for CVE-2026-3236 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-3236 being exploited?
There is no known exploitation of CVE-2026-3236 in the wild and no public exploit code.
Other vulnerabilities in Octopus Octopus Server
Sources
Also known as GHSA-mj9m-c5pr-rxw7.