CVE-2026-55776 OpenBao: Transit secrets engine crashes on key creation with `derived: true` for asymmetric key types

OpenBao is an open source identity-based secrets management system. Prior to 2.5.5, an authenticated OpenBao caller with write access to transit/keys/ could terminate the server process by setting derived to true while the type parameter selected rsa-, ecdsa-, or ed25519. The Transit policy...

OpenBao: Transit secrets engine crashes on key creation with `derived: true` for asymmetric key types

On OpenBao 2.5.4 and 2.5.2and likely earlier versions also, an authenticated caller with write access to transit/keys/ can crash the OpenBao server by issuing a single key-creation request that combines an asymmetric type rsa-, ecdsa-, ed25519 with derived: true. The server returns no HTTP respon...

GHSA-8W8F-R2XV-4Q4J OpenBao: Transit secrets engine crashes on key creation with `derived: true` for asymmetric key types

On OpenBao 2.5.4 and 2.5.2and likely earlier versions also, an authenticated caller with write access to transit/keys/ can crash the OpenBao server by issuing a single key-creation request that combines an asymmetric type rsa-, ecdsa-, ed25519 with derived: true. The server returns no HTTP respon...

PT-2026-51111

Name of the Vulnerable Software and Affected Versions OpenBao versions 2.5.2 through 2.5.4 Description An authenticated user with write access to the transit/keys/ endpoint can cause a denial-of-service by crashing the server. This occurs when a key-creation request is sent combining an asymmetri...