CVE-2026-88255

Improper Validation of Unsafe Equivalence in Input in ZenHive mpp allows an unauthenticated remote client to pass the Tempo duplicate-submission gate twice with one signed transaction. MPP.Methods.Tempo reserves the pre-broadcast dedup slot on the caller-supplied hex in reservehashatomic/2, keyed...

EEF-CVE-2026-88255 mpp Tempo keys its pre-broadcast dedup reserve on the caller-supplied transaction encoding, so a re-encoded signed transaction reserves a second slot

Summary Improper Validation of Unsafe Equivalence in Input in ZenHive mpp allows an unauthenticated remote client to pass the Tempo duplicate-submission gate twice with one signed transaction. MPP.Methods.Tempo reserves the pre-broadcast dedup slot on the caller-supplied hex in reservehashatomic/...

EUVD-2026-80256

Improper Validation of Unsafe Equivalence in Input in ZenHive mpp allows an unauthenticated remote client to pass the Tempo duplicate-submission gate twice with one signed transaction. MPP.Methods.Tempo reserves the pre-broadcast dedup slot on the caller-supplied hex in reservehashatomic/2, keyed...

PT-2026-93378

Name of the Vulnerable Software and Affected Versions ZenHive mpp versions 0.2.0 through 0.16.1 Description Improper validation of unsafe equivalence in input allows an unauthenticated remote client to bypass the Tempo duplicate-submission gate twice using a single signed transaction. In...

CVE-2026-88255: Improper Validation of Unsafe Equivalence in Input

Improper Validation of Unsafe Equivalence in Input in ZenHive mpp allows an unauthenticated remote client to pass the Tempo duplicate-submission gate twice with one signed transaction. MPP.Methods.Tempo reserves the pre-broadcast dedup slot on the caller-supplied hex in reservehashatomic/2, keyed...

GHSA-W2HV-RCQR-2H7R View name validation bypass in Jenkins

Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not properly check that a newly created view has an allowed name. When a form to create a view is submitted, the name is included twice in the submission. One instance is validated, but the other instance is used to create the value. This...