GHSA-4jwf-m4wg-8p66Published

Kiota: Path/URL injection into generated Copilot plugin manifest via x-ai-* extensions

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-2026-59864

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: 1.33 % · percentile 70.88 % · 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 plugin add` and `kiota plugin generate` (with `-t APIPlugin`) emitted attacker-controlled static_template.file values from x-ai-adaptive-card and x-ai-…

nvd · CVE-2026-59864 · Published

23 Oct 2026 16:01:25 UTC

Microsoft Kiota: Path/URL injection into generated Copilot plugin manifest via x-ai-* extensions

osv · GHSA-4jwf-m4wg-8p66 · Published

23 Oct 2026 15:48:27 UTC

Kiota: Path/URL injection into generated Copilot plugin manifest via x-ai-* extensions

cve-program · CVE-2026-59864 · Published