[UPDATE] [medium] OpenBao: Multiple vulnerabilities

mediumCVE-2026-46358 CVE-2026-46405

A local attacker can exploit multiple vulnerabilities in OpenBao to disclose information or cause a Denial of Service.

CSIRTS triage

vendor: OpenBao product: OpenBao Information disclosure Denial of service

What: OpenBao contains multiple vulnerabilities allowing local attackers to disclose information or cause denial of service.
Who is affected: Deployments of OpenBao with local access are affected.
Urgency: Medium priority; local access required but impacts confidentiality and availability.
Action: Update OpenBao to a patched version addressing CVE-2026-46358 and CVE-2026-46405.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-08-10
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1632

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-463580.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-464050.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-46358	coverage & exploitation status	NVD · CVE.org
CVE-2026-46405	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for OpenBao

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

low[UPDATE] [low] OpenBao: Vulnerability allows bypassing security measurescert-bund · 2026-08-10
mediumCVE-2026-46405: OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, in…nvd · 2026-08-07
unknownCVE-2026-45808: OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, Op…nvd · 2026-08-07
unknownCVE-2026-46358: OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, Op…nvd · 2026-08-07
medium[NEW] [medium] OpenBao: Multiple vulnerabilitiescert-bund · 2026-07-15