CVE-2025-62877 Harvest may expose OS default ssh login password via SUSE Virtualization Interactive Installer
Attackers can access SSH using default credentials if the interactive installer is used instead of PXE boot, compromising cluster hosts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-62877?
CVE-2025-62877 is a critical vulnerability in SUSE harvester, published on 8 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Projects using the SUSE Virtualization (Harvester) environment may expose the OS default ssh login password if they are using the 1.5.x or 1.6.x interactive installer to either create a new cluster or add new hosts to an existing cluster. The environment is not affected if the PXE boot mechanism is utilized along with the Harvester configuration setup.
Weakness: CWE-1188
Which versions are affected by CVE-2025-62877?
6 open source packages ship an affected version, including github.com/harvester/harvester-installer.
| Package | Affected | Fixed in |
|---|---|---|
github.com/harvester/harvester-installer Go | From 1.5.0 | None |
github.com/harvester/harvester-installer Go | From 1.5.0 to 1.5.2 | None |
github.com/harvester/harvester-installer Go | From 1.5.0 to 1.5.2 | None |
github.com/harvester/harvester-installer Go | From 1.6.0 | None |
github.com/harvester/harvester-installer Go | From 1.6.0 to 1.6.1 | None |
github.com/harvester/harvester-installer Go | From 1.6.0 to 1.6.1 | None |
How do I fix CVE-2025-62877?
Change a configuration setting.
Is CVE-2025-62877 being exploited?
There is no known exploitation of CVE-2025-62877 in the wild and no public exploit code.
Sources
Also known as GHSA-6g8q-hp2j-gvwv, GO-2026-4281.