CVE-2026-89140Published
Temporal Server internal completion callbacks are not bound to their namespace, allowing cross-namespace changes to Scheduler V2 schedule state
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-89140 · Microsoft / collected KEV context
cve-program · CVE-2026-89140
- https://github.com/temporalio/temporal/pull/11876
- https://github.com/temporalio/temporal/commit/a210eeb8c2cc7e22338bb4f552ff1171d8f35969
- https://github.com/temporalio/temporal/pull/12318
- https://github.com/temporalio/temporal/pull/12319
- https://github.com/temporalio/temporal/pull/12382
- https://github.com/temporalio/temporal/pull/12320
- https://github.com/temporalio/temporal/commit/d0bd72e85014f31ecfbada1b436b08806496dbef
- https://github.com/temporalio/temporal/releases/tag/v1.30.8
- https://github.com/temporalio/temporal/releases/tag/v1.31.4
- https://github.com/temporalio/temporal/releases/tag/v1.32.1
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.