CVE-2026-92750: Harness through 3.3.0 Missing Access Control via infraproviders endpoint

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-16 · updated 2026-09-24
Weakness: CWE-862

Description

Harness through 3.3.0 omits access control validation in the infrastructure provider read endpoint, allowing authenticated users to retrieve provider configurations from spaces they do not belong to. Attackers can query the GET /api/v1/infraproviders endpoint with arbitrary space identifiers to expose sensitive provider metadata including Docker endpoints, TLS certificate paths, and cloud project identifiers.

Affected products

harness: through 3.3.0

References

https://github.com/harness/harness
https://github.com/harness/harness/blob/v3.3.0/app/api/controller/infraprovider/find.go#L25-L41
https://github.com/harness/harness/blob/v3.3.0/app/api/controller/infraprovider/list.go#L37
https://github.com/harness/harness/issues/3697
https://www.vulncheck.com/advisories/harness-through-3.3.0-missing-access-control-via-infraproviders-endpoint

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