CVE-2026-111638 sshportal through 1.19.5 Missing Authorization in 'key show' Command Exposes Private Keys
Authenticated non-admin users can retrieve decrypted private SSH keys via the 'key show' command, allowing direct backend access and bypassing security controls.
- 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-2026-111638?
CVE-2026-111638 is a high-severity missing authorization vulnerability in moul sshportal, published on 16 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
sshportal through 1.19.5 contains a missing authorization vulnerability in the management shell 'key show' command that allows authenticated non-admin users to obtain decrypted backend private SSH keys. Attackers can request predictable key names like 'default' or 'host' to retrieve private keys and connect directly to backend hosts, bypassing ACLs and session recording.
Weakness: CWE-862
Which versions are affected by CVE-2026-111638?
How do I fix CVE-2026-111638?
No fix has been published for CVE-2026-111638 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-111638 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111638 exists.
Sources
Also known as GHSA-xmw3-crh7-9hmm.