Upstream information
Description
Kopia is a cross-platform backup tool for Windows, macOS, and Linux with fast incremental backups, client-side end-to-end encryption, compression, and data deduplication. Prior to 0.23.0, Kopia's HTTP server started with --without-password accepts unauthenticated requests to /api/v1/repo/exists and forwards attacker-supplied SFTP storage configuration to blob.NewStorage, where externalSSH: true and sshArguments containing -oProxyCommand=<cmd> can cause exec.CommandContext("ssh") to invoke the command through OpenSSH. This issue is fixed in version 0.23.0.Other Security Trackers
SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having critical severity.
| CVSS detail | CNA (GitHub) |
|---|---|
| Base Score | 9.8 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality Impact | High |
| Integrity Impact | High |
| Availability Impact | High |
| CVSSv3 Version | 3.1 |
List of released packages
| Product(s) | Fixed package version(s) | References |
|---|---|---|
| SUSE Linux Enterprise Server 16.1 |
| Patchnames: SUSE Linux Enterprise Server 16.1 GA govulncheck-vulndb-0.0.20260916T180043-160100.1.1 (aarch64,ppc64le,s390x,x86_64) |
| SUSE Linux Enterprise Server for SAP applications 16.1 |
| Patchnames: SUSE Linux Enterprise Server for SAP applications 16.1 GA govulncheck-vulndb-0.0.20260916T180043-160100.1.1 (aarch64,ppc64le,s390x,x86_64) |
SUSE Timeline for this CVE
CVE page created: Tue Jun 16 00:46:49 2026CVE page last modified: Wed Nov 4 17:38:45 2026