Omni leaks information via the API

published 2025-10-13 12 mo ago modified 2026-10-08 32 d ago also GHSA-77r9-w39m-9xh5 , GO-2025-4022 , EUVD-2025-34080

cvss: 8.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits: 0; none known

Omni manages Kubernetes on bare metal, virtual machines, or in a cloud. Prior to 1.1.5 and 1.0.2, Omni might leak sensitive information via an API.

Patch / fix

fixed in 2 distros 1

go github.com/siderolabs/omni 1.0.2, 1.1.5
siderolabs omni 1.0.2, 1.1.5

govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1
govulncheck-vulndb openSUSE Tumbleweed 0.0.20251105T184115-1.1

opensuse advisories openSUSE-SU-2026:21483-1 openSUSE-SU-2025:15710-1

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 12 mo ago (2025-10-14)

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
GitHub	3.1	8.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
go	github.com/siderolabs/omni	>=1.1.0-beta.0, <1.1.5 <1.0.2	1.1.5 1.0.2

Affected products

siderolabs omni

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

github.com /siderolabs/omni/security/advisories/GHSA-77r9-w39m-9xh5
web, vendor-advisory, advisory
nvd.nist.gov /vuln/detail/CVE-2025-61688
advisory
github.com /siderolabs/omni
package
pkg.go.dev /vuln/GO-2025-4022
web

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary