CVE•Published 2026-04-21•Modified 2026-04-24•0 articles on news•5 live references•NVD data
CVE-2026-40264Openbao · Openbao
Vulnerability data via NVD (ingested)
CVSS v3.1
2.7
LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
EPSS percentile
—
Weaknesses (CWE)
Description
OpenBao is an open source identity-based secrets management system. OpenBao's namespaces provide multi-tenant separation. Prior to version 2.5.3, a tenant who leaks token accessors can have their token revoked or renewed by a privileged administrator in another tenant. This is addressed in v2.5.3.
Timeline
Published 2026-04-21
Modified 2026-04-24
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-40264Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Openbao Openbao"All exposed Openbao Openbao instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Openbao"HTTP body or banner mentions "Openbao" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-40264Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-40264Censys host search filtered to this CVE id.
grep.app
CVE-2026-40264Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-40264GitHub code search for direct mentions.
Google dork
"CVE-2026-40264" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-40264 on GitHub.
We haven't classified any articles referencing CVE-2026-40264 yet. The external references above still apply.