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bdu:2026-10829

BIT-openbao-2026-45808 — OpenBao's cross-namespace lease revocation via legacy sys/revoke path bypasses ACL

Affected: Bitnami: openbao

OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, OpenBao's namespaces provide multi-tenant separation. A tenant who intentionally leaks lease identifiers can have their lease and underlying credential revoked or renewed by a user in another tenant via the legacy, undocumented `sys/revoke` and `sys/renew` endpoints. This is fixed in OpenBao v2.5.4.

Withdrawn: CLEANSTART-2026-KK55331 — Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the…

Withdrawn by the publisher.

Affected: CleanStart: dex

Multiple security vulnerabilities affect the dex package. Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. See references for individual vulnerability details.

EUVD-2026-352290

fkie_cve-2026-45808

GHSA-v8v8-cm84-m686 — OpenBao's cross-namespace lease revocation via legacy sys/revoke path bypasses ACL

Affected: Go: github.com/openbao/openbao

# Impact

OpenBao's namespaces provide multi-tenant separation. A tenant who intentionally leaks lease identifiers can have their lease and underlying credential revoked or renewed by a user in another tenant via the legacy, undocumented `sys/revoke` and `sys/renew` endpoints.

# Patch

This will be addressed in v2.5.4.

openSUSE-SU-2026:10835-1 — openbao-2.5.4-1.1 on GA media

openbao-2.5.4-1.1 on GA media

WID-SEC-W-2026-1640 — OpenBao: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen

Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in OpenBao ausnutzen, um Sicherheitsvorkehrungen zu umgehen.