CVE-2026-115732
Incorrect authorization in the certificate-name matching of trapperkeeper-authorization, as used by…
- Risk score
- 54/100
- CVSS
- 9.0 v4.0
- Published
- 3 Nov 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Incorrect authorization in the certificate-name matching of trapperkeeper-authorization, as used by Puppet Server, in the affected products, allows a client that holds a CA-signed certificate whose name extends or shortens an authorized hostname to be authorized as that host. This enables impersonation of other nodes …
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 9.0 critical
References
Original description
Incorrect authorization in the certificate-name matching of trapperkeeper-authorization, as used by Puppet Server, in the affected products, allows a client that holds a CA-signed certificate whose name extends or shortens an authorized hostname to be authorized as that host. This enables impersonation of other nodes and, in Puppet Enterprise, access to certificate-authority administration and remote command execution on managed nodes. Exploitation requires a certificate with a colliding name, which the certificate authority issues by approval or autosign.
Last activity 3 Nov 2026. Patch Forecast updates every hour.