CVE-2026-59867Published

Kiota: Generation-time SSRF + remote/local file inclusion via unrestricted $ref

Collected exploitation and prediction evidence

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

CVE-2026-59867

Exact risk observation. Current source statements above are a separate evidence layer. Latest risk evidence.

No KEV entry is attached to this observation; this is not evidence that exploitation is absent.

FIRST EPSS: 2.39 % · percentile 83.87 % · scored 23 Oct 2026. Retained older prediction.

Observed 23 Oct 2026 16:01:26 UTC · Complete immutable risk JSON

Immutable source observations

3 recorded revisions

Each citation identifies one complete source statement. Source modification dates and the time this installation observed them are distinct. Latest history includes records historically associated by source identifiers; a removed alias is not a current equivalence claim. Exact citations show that source record's own earlier observations. Failed reads and unchanged polls do not rewrite history.

25 Oct 2026 14:19:22 UTC

Kiota is an OpenAPI based HTTP Client code generator. Prior to 1.29.1 and 1.32.5, Kiota resolved OpenAPI $ref values by fetching remote http(s) URLs and reading local absolute or out-of-tree file paths, allowing `kiota generate` on an attac…

nvd · CVE-2026-59867 · Published

23 Oct 2026 16:01:25 UTC

Microsoft Kiota: Generation-time SSRF + remote/local file inclusion via unrestricted $ref

osv · GHSA-rg4h-fpcp-2qm8 · Published

23 Oct 2026 15:48:27 UTC

Kiota: Generation-time SSRF + remote/local file inclusion via unrestricted $ref

cve-program · CVE-2026-59867 · Published