CVE-2025-59824— Omni Wireguard SideroLink potential escape
Quick assessment
Affected
siderolabs omni
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
omni是Sidero Labs, Inc.开源的一个Kubernetes的部署工具。 Omni 0.48.0之前版本存在安全漏洞，该漏洞源于未验证数据包目标地址，可能导致恶意负载通过SideroLink接口发送任意数据包。
Possible ATT&CK Techniques 1 AI
T1090.004 · Domain Fronting
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I. Basic Information for CVE-2025-59824
Vulnerability Information
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Vulnerability Title
Omni Wireguard SideroLink potential escape
Source: CVE Program / CVE List V5
Vulnerability Description
Omni manages Kubernetes on bare metal, virtual machines, or in a cloud. Prior to version 0.48.0, Omni Wireguard SideroLink has the potential to escape. Omni and each Talos machine establish a peer-to-peer (P2P) SideroLink connection using WireGuard to mutually authenticate and authorize access. The WireGuard interface on Omni is configured to ensure that the source IP address of an incoming packet matches the IPv6 address assigned to the Talos peer. However, it performs no validation on the packet's destination address. The Talos end of the SideroLink connection cannot be considered a trusted environment. Workloads running on Kubernetes, especially those configured with host networking, could gain direct access to this link. Therefore, a malicious workload could theoretically send arbitrary packets over the SideroLink interface. This issue has been patched in version 0.48.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
omni 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
omni是Sidero Labs, Inc.开源的一个Kubernetes的部署工具。 Omni 0.48.0之前版本存在安全漏洞，该漏洞源于未验证数据包目标地址，可能导致恶意负载通过SideroLink接口发送任意数据包。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| siderolabs | omni | < 0.48.0 | - |
|
II. Public POCs for CVE-2025-59824
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: omni
-
CVE-2026-45720
Omni: TOCTOU race condition allows multiple concurrent uses -
CVE-2026-45723
Omni: Operator can traverse image-factory API paths via unsa -
CVE-2026-45726
Omni: Reader-level users can retrieve imported cluster CA ke -
CVE-2025-61688
Omni leaks information via the API -
CVE-2025-59836
Omni is Vulnerable to DoS via Empty Create/Update Resource R
Same vendor: siderolabs
-
CVE-2026-45720
Omni: TOCTOU race condition allows multiple concurrent uses -
CVE-2026-45723
Omni: Operator can traverse image-factory API paths via unsa -
CVE-2026-45726
Omni: Reader-level users can retrieve imported cluster CA ke -
CVE-2025-61688
Omni leaks information via the API -
CVE-2025-59836
Omni is Vulnerable to DoS via Empty Create/Update Resource R
Same weakness: CWE-863
V. Comments for CVE-2025-59824
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